[wp-trac] [WordPress Trac] #58905: Ensure locate_template only loads theme files

[WordPress Trac]

#58905: Ensure locate_template only loads theme files
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 Reporter:  jorbin                               |       Owner:  jorbin
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.9
Component:  Themes                               |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch early has-unit-tests       |     Focuses:
  needs-dev-note changes-requested has-test-     |
  info                                           |
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Changes (by SirLouen):

 * keywords:  has-patch early needs-testing-info has-unit-tests needs-dev-
     note =>
     has-patch early has-unit-tests needs-dev-note changes-requested has-
     test-info


Comment:

 == Combined Bug Reproduction and Patch Test Report
 === Description
 ❌ This report can't validate that the indicated patch works as expected.

 Patch tested: https://github.com/WordPress/wordpress-
 develop/pull/6502.diff

 === Environment
 - WordPress: 6.9-alpha-60093-src
 - PHP: 8.4.6
 - Server: nginx/1.27.5
 - Database: mysqli (Server: 8.4.5 / Client: mysqlnd 8.4.6)
 - Browser: Chrome 136.0.0.0
 - OS: Windows 10/11
 - Theme: Twenty Twenty-Five 1.2
 - MU Plugins: None activated
 - Plugins:
   * Test Reports 1.2.0

 === Bug Reproduction Steps
 1. Create a dummy Theme
 2. Make sure it has at least the files: `style.css` and `index.php`. Check
 a Basic Theme example here: https://developer.wordpress.org/themes
 /classic-themes/your-first-theme/#classic-theme
 3. Create another file inside the theme directory called `test-non-
 template.txt`
 4. Install this plugin https://raw.githubusercontent.com/SirLouen/testing-
 template-loading/refs/tags/Second-Version/testing-template-loading.php
 5. Create a new Post and add the short code to see the results:
 `[test_locate_template]`
 6. 🐞Bug reproduced: Wrongly loaded non-template file

 === Actual Results with Patch
 1.  ❌ Issue is not resolved with the patch.

 === Additional Comments
 If there are any concerns, please review the plugin for further testing.

 === Supplemental Artifacts
 Link to the testing plugin repo: https://github.com/SirLouen/testing-
 template-loading/

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Ticket URL: <https://core.trac.wordpress.org/ticket/58905#comment:27>
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