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<title>[60341] trunk: Security: Cease support for WordPress 4.1 through 4.6.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/60341">60341</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/60341","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>johnbillion</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2025-06-23 18:26:45 +0000 (Mon, 23 Jun 2025)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Security: Cease support for WordPress 4.1 through 4.6.
Props desrosj, sirlouen, johnbillion.
See <a href="https://core.trac.wordpress.org/ticket/63595">#63595</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkgithubworkflowsreusablephpunittestsv1yml">trunk/.github/workflows/reusable-phpunit-tests-v1.yml</a></li>
<li><a href="#trunkgithubworkflowstestoldbranchesyml">trunk/.github/workflows/test-old-branches.yml</a></li>
<li><a href="#trunkgithubworkflowsupgradetestingyml">trunk/.github/workflows/upgrade-testing.yml</a></li>
<li><a href="#trunkversionsupportmysqljson">trunk/.version-support-mysql.json</a></li>
<li><a href="#trunkversionsupportphpjson">trunk/.version-support-php.json</a></li>
<li><a href="#trunkSECURITYmd">trunk/SECURITY.md</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkgithubworkflowsreusablephpunittestsv1yml"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/.github/workflows/reusable-phpunit-tests-v1.yml</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/.github/workflows/reusable-phpunit-tests-v1.yml 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/.github/workflows/reusable-phpunit-tests-v1.yml 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3,7 +3,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> #
</span><span class="cx" style="display: block; padding: 0 10px"> # A reusable workflow that runs the PHPUnit test suite with the specified configuration.
</span><span class="cx" style="display: block; padding: 0 10px"> #
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-# This workflow is used by branches 4.1 through 5.1.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+# This workflow is used by branches 4.7 through 5.1.
</ins><span class="cx" style="display: block; padding: 0 10px"> ##
</span><span class="cx" style="display: block; padding: 0 10px"> name: Run PHPUnit tests
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre></div>
<a id="trunkgithubworkflowstestoldbranchesyml"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/.github/workflows/test-old-branches.yml</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/.github/workflows/test-old-branches.yml 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/.github/workflows/test-old-branches.yml 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -47,7 +47,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> branch: [
</span><span class="cx" style="display: block; padding: 0 10px"> '6.8', '6.7', '6.6', '6.5', '6.4', '6.3', '6.2', '6.1','6.0',
</span><span class="cx" style="display: block; padding: 0 10px"> '5.9', '5.8', '5.7', '5.6', '5.5', '5.4', '5.3', '5.2', '5.1', '5.0',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- '4.9', '4.8', '4.7', '4.6', '4.5', '4.4', '4.3', '4.2', '4.1'
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ '4.9', '4.8', '4.7'
</ins><span class="cx" style="display: block; padding: 0 10px"> ]
</span><span class="cx" style="display: block; padding: 0 10px"> include:
</span><span class="cx" style="display: block; padding: 0 10px"> # PHP Compatibility testing was introduced in 5.5.
</span></span></pre></div>
<a id="trunkgithubworkflowsupgradetestingyml"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/.github/workflows/upgrade-testing.yml</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/.github/workflows/upgrade-testing.yml 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/.github/workflows/upgrade-testing.yml 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -172,67 +172,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> new-version: ${{ inputs.new-version && inputs.new-version || 'latest' }}
</span><span class="cx" style="display: block; padding: 0 10px"> multisite: ${{ matrix.multisite }}
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- # Tests 4.x releases where the WordPress database version changed on the oldest and newest supported versions of PHP 7.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ # The oldest version of WordPress receiving security updates should always be tested against
+ # the widest possible list of PHP/MySQL combinations.
</ins><span class="cx" style="display: block; padding: 0 10px"> #
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- # The oldest version of WordPress receiving security updates should always be tested.
- upgrade-tests-wp-4x-php-7x-mysql:
- name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
- uses: ./.github/workflows/reusable-upgrade-testing.yml
- if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
- strategy:
- fail-fast: false
- matrix:
- os: [ 'ubuntu-24.04' ]
- php: [ '7.2', '7.4' ]
- db-type: [ 'mysql' ]
- db-version: [ '5.7', '8.4' ]
- wp: [ '4.1', '4.2', '4.3', '4.4', '4.5', '4.6', '4.7' ]
- multisite: [ false, true ]
-
- exclude:
- # The PHP <= 7.3/MySQL 8.4 jobs currently fail due to mysql_native_password being disabled by default. See https://core.trac.wordpress.org/ticket/61218.
- - php: '7.2'
- db-version: '8.4'
- with:
- os: ${{ matrix.os }}
- php: ${{ matrix.php }}
- db-type: ${{ matrix.db-type }}
- db-version: ${{ matrix.db-version }}
- wp: ${{ matrix.wp }}
- new-version: ${{ inputs.new-version && inputs.new-version || 'latest' }}
- multisite: ${{ matrix.multisite }}
-
- # Tests 4.x releases where the WordPress database version changed on the oldest and newest supported versions of PHP 8.
- #
- # The oldest version of WordPress receiving security updates should always be tested.
- #
- # WordPress 4.6-4.9 are excluded from PHP 8+ testing because of the following fatal errors:
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ # WordPress 4.7 is excluded from PHP 8+ testing because of the following fatal errors:
</ins><span class="cx" style="display: block; padding: 0 10px"> # - Use of __autoload().
</span><span class="cx" style="display: block; padding: 0 10px"> # - array/string offset with curly braces.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- upgrade-tests-wp-4x-php-8x-mysql:
- name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
- uses: ./.github/workflows/reusable-upgrade-testing.yml
- if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
- strategy:
- fail-fast: false
- matrix:
- os: [ 'ubuntu-24.04' ]
- php: [ '8.0', '8.4' ]
- db-type: [ 'mysql' ]
- db-version: [ '5.7', '8.4' ]
- wp: [ '4.1', '4.2', '4.3', '4.4', '4.5' ]
- multisite: [ false, true ]
- with:
- os: ${{ matrix.os }}
- php: ${{ matrix.php }}
- db-type: ${{ matrix.db-type }}
- db-version: ${{ matrix.db-version }}
- wp: ${{ matrix.wp }}
- new-version: ${{ inputs.new-version && inputs.new-version || 'latest' }}
- multisite: ${{ matrix.multisite }}
-
- # The oldest version of WordPress receiving security updates should always be tested against
- # the full list of PHP/MySQL combinations.
</del><span class="cx" style="display: block; padding: 0 10px"> upgrade-tests-oldest-wp-mysql:
</span><span class="cx" style="display: block; padding: 0 10px"> name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
</span><span class="cx" style="display: block; padding: 0 10px"> uses: ./.github/workflows/reusable-upgrade-testing.yml
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -241,10 +186,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> fail-fast: false
</span><span class="cx" style="display: block; padding: 0 10px"> matrix:
</span><span class="cx" style="display: block; padding: 0 10px"> os: [ 'ubuntu-24.04' ]
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ php: [ '7.2', '7.3', '7.4' ]
</ins><span class="cx" style="display: block; padding: 0 10px"> db-type: [ 'mysql' ]
</span><span class="cx" style="display: block; padding: 0 10px"> db-version: [ '5.7', '8.0', '8.4', '9.3' ]
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- wp: [ '4.1' ]
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ wp: [ '4.7' ]
</ins><span class="cx" style="display: block; padding: 0 10px"> multisite: [ false, true ]
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> exclude:
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -273,7 +218,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> permissions:
</span><span class="cx" style="display: block; padding: 0 10px"> actions: read
</span><span class="cx" style="display: block; padding: 0 10px"> contents: read
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- needs: [ upgrade-tests-recent-releases, upgrade-tests-wp-6x-mysql, upgrade-tests-wp-5x-php-7x-mysql, upgrade-tests-wp-5x-php-8x-mysql, upgrade-tests-wp-4x-php-7x-mysql, upgrade-tests-wp-4x-php-8x-mysql, upgrade-tests-oldest-wp-mysql ]
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ needs: [ upgrade-tests-recent-releases, upgrade-tests-wp-6x-mysql, upgrade-tests-wp-5x-php-7x-mysql, upgrade-tests-wp-5x-php-8x-mysql, upgrade-tests-oldest-wp-mysql ]
</ins><span class="cx" style="display: block; padding: 0 10px"> if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
</span><span class="cx" style="display: block; padding: 0 10px"> with:
</span><span class="cx" style="display: block; padding: 0 10px"> calling_status: ${{ contains( needs.*.result, 'cancelled' ) && 'cancelled' || contains( needs.*.result, 'failure' ) && 'failure' || 'success' }}
</span></span></pre></div>
<a id="trunkversionsupportmysqljson"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/.version-support-mysql.json</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/.version-support-mysql.json 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/.version-support-mysql.json 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -182,47 +182,5 @@
</span><span class="cx" style="display: block; padding: 0 10px"> "5.5",
</span><span class="cx" style="display: block; padding: 0 10px"> "5.1",
</span><span class="cx" style="display: block; padding: 0 10px"> "5.0"
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- ],
- "4-6": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
- ],
- "4-5": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
- ],
- "4-4": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
- ],
- "4-3": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
- ],
- "4-2": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
- ],
- "4-1": [
- "5.7",
- "5.6",
- "5.5",
- "5.1",
- "5.0"
</del><span class="cx" style="display: block; padding: 0 10px"> ]
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunkversionsupportphpjson"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/.version-support-php.json</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/.version-support-php.json 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/.version-support-php.json 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -219,50 +219,5 @@
</span><span class="cx" style="display: block; padding: 0 10px"> "5.6",
</span><span class="cx" style="display: block; padding: 0 10px"> "7.0",
</span><span class="cx" style="display: block; padding: 0 10px"> "7.1"
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- ],
- "4-6": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6",
- "7.0"
- ],
- "4-5": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6",
- "7.0"
- ],
- "4-4": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6",
- "7.0"
- ],
- "4-3": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6"
- ],
- "4-2": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6"
- ],
- "4-1": [
- "5.2",
- "5.3",
- "5.4",
- "5.5",
- "5.6"
</del><span class="cx" style="display: block; padding: 0 10px"> ]
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunkSECURITYmd"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/SECURITY.md</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/SECURITY.md 2025-06-23 18:14:05 UTC (rev 60340)
+++ trunk/SECURITY.md 2025-06-23 18:26:45 UTC (rev 60341)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -32,13 +32,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> | 4.9.x | Yes |
</span><span class="cx" style="display: block; padding: 0 10px"> | 4.8.x | Yes |
</span><span class="cx" style="display: block; padding: 0 10px"> | 4.7.x | Yes |
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-| 4.6.x | Yes |
-| 4.5.x | Yes |
-| 4.4.x | Yes |
-| 4.3.x | Yes |
-| 4.2.x | Yes |
-| 4.1.x | Yes |
-| < 4.1.0 | No |
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+| < 4.7.0 | No |
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> ## Reporting a Vulnerability
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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