Title: thomas2026's Replies | WordPress.org

---

# thomas2026

  [  ](https://wordpress.org/support/users/thomas2026/)

 *   [Profile](https://wordpress.org/support/users/thomas2026/)
 *   [Topics Started](https://wordpress.org/support/users/thomas2026/topics/)
 *   [Replies Created](https://wordpress.org/support/users/thomas2026/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/thomas2026/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/thomas2026/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/thomas2026/engagements/)
 *   [Favorites](https://wordpress.org/support/users/thomas2026/favorites/)

 Search replies:

## Forum Replies Created

Viewing 2 replies - 1 through 2 (of 2 total)

 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[HTTP Headers] Critical security vulnerability](https://wordpress.org/support/topic/critical-security-vulnerability-12/)
 *  [thomas2026](https://wordpress.org/support/users/thomas2026/)
 * (@thomas2026)
 * [2 weeks, 4 days ago](https://wordpress.org/support/topic/critical-security-vulnerability-12/#post-18891550)
 * [@zinoui](https://wordpress.org/support/users/zinoui/)
 * From my logs, this is what I see, which may be useful for you.
 * PHP Warning: Undefined variable $filename in …/wp-content/plugins/http-headers/
   http-headers.php on line 1493
 * PHP Warning: Cannot modify header information – headers already sent by (output
   started at …/wp-includes/script-loader.php:2428) in …/wp-includes/pluggable.php
   on line 1531
 * I am on WordPress 6.9.4 and PHP v8.3.30, Apache web server.
   I upgraded your plugin
   from 1.19.2 to 1.19.4 when the issue happened.
 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[HTTP Headers] Critical security vulnerability](https://wordpress.org/support/topic/critical-security-vulnerability-12/)
 *  [thomas2026](https://wordpress.org/support/users/thomas2026/)
 * (@thomas2026)
 * [2 weeks, 4 days ago](https://wordpress.org/support/topic/critical-security-vulnerability-12/#post-18891504)
 * Hi [@zinoui](https://wordpress.org/support/users/zinoui/)
 * I updated to the latest version of your plugin and now all pages appears blank
   in my WordPress site Dashboard.

Viewing 2 replies - 1 through 2 (of 2 total)