AdminQuickbar <= 1.9.3 - Cross-Site Request Forgery para Atualização de Configurações

The primary impact of this CSRF vulnerability lies in the potential for unauthorized modification of the AdminQuickbar plugin's configuration and the ability to alter post titles. An attacker could craft a malicious link or embed a hidden form on a website that, when visited by an administrator, would trigger a forged request. This could lead to changes in plugin behavior, potentially impacting site functionality or security. While the vulnerability requires administrator interaction, the ease of crafting CSRF attacks makes it a significant risk, especially on sites with a large user base or frequent administrator activity. The attacker does not need to authenticate to exploit this vulnerability, only to trick an authenticated administrator.

Sites running the AdminQuickbar plugin versions 1.0.0 through 1.9.3 are at risk, particularly those with active site administrators who frequently log in and interact with the plugin's settings. Shared WordPress hosting environments where plugin updates are not consistently managed are also at increased risk.

• wordpress / plugin:

wp plugin list | grep AdminQuickbar

• wordpress / plugin: Check the version number of the AdminQuickbar plugin. Versions prior to 1.9.4 are vulnerable. • wordpress / plugin: Examine the plugin's code for missing or incorrect nonce validation in the 'saveSettings' and 'renamePost' AJAX actions. Look for instances where user input is processed without proper verification. • generic web: Monitor server access logs for suspicious requests originating from unfamiliar sources targeting the plugin's AJAX endpoints (e.g., wp-admin/admin-ajax.php).

1. 2026-01-24Disclosure

   disclosure

1. Reservado2025-12-12
2. Publicada2026-01-24
3. Modificada2026-04-08
4. EPSS atualizado2026-03-23

The recommended mitigation is to immediately upgrade the AdminQuickbar plugin to version 1.9.4 or later. If upgrading is not immediately feasible due to compatibility concerns or testing requirements, consider implementing temporary workarounds. These might include restricting administrator access to sensitive areas of the plugin's configuration page or implementing stricter input validation on the 'saveSettings' and 'renamePost' AJAX actions. Web Application Firewalls (WAFs) configured to detect and block CSRF attacks can also provide an additional layer of protection. After upgrading, verify the fix by attempting to trigger a forged request and confirming that the action is blocked.