Coding Blocks <= 1.1.0 - Cross-Site Request Forgery zu Einstellungen Update

Successful exploitation of this CSRF vulnerability could allow an attacker to significantly alter the behavior of a WordPress website. By crafting malicious links or embedding them in deceptive content, an attacker can induce a logged-in administrator to unknowingly modify Coding Blocks plugin settings. This could involve changing the theme configuration, potentially leading to visual distortions, unexpected functionality, or even the injection of malicious code through theme customizations. The blast radius extends to any administrator account with sufficient privileges to modify the plugin's settings. While the vulnerability doesn't directly lead to data exfiltration, it can be a stepping stone for further attacks if the theme configuration changes grant additional access or privileges.

WordPress websites utilizing the Coding Blocks plugin, particularly those with administrators who frequently click on links or interact with external content, are at risk. Shared hosting environments where multiple websites share the same server resources are also potentially vulnerable, as an attacker could exploit the vulnerability on one site to impact others.

• wordpress / composer / npm:

grep -r 'coding_blocks_settings_update' /var/www/html/wp-content/plugins/coding-blocks/

• wordpress / composer / npm:

wp plugin list --status=active | grep coding-blocks

• generic web: Inspect HTTP requests to the Coding Blocks settings update endpoint for the absence of a CSRF token or nonce.

1. 2025-12-12Disclosure

   disclosure

1. Reserviert2025-12-05
2. Veröffentlicht2025-12-12
3. Geändert2026-04-08
4. EPSS aktualisiert2026-03-23

The primary mitigation for CVE-2025-14158 is to upgrade the Coding Blocks plugin to a version that includes the necessary nonce validation. If immediate upgrading is not feasible due to compatibility concerns or breaking changes, consider implementing a Web Application Firewall (WAF) rule to filter out requests lacking proper CSRF tokens. Specifically, the WAF should be configured to block POST requests to the plugin's settings update endpoint that do not include a valid nonce. Additionally, carefully review any unusual activity in the WordPress admin panel, particularly related to plugin settings, to identify potential unauthorized modifications. After upgrading, confirm the fix by attempting to trigger a settings update via a crafted CSRF request and verifying that the request is rejected.