CVE-2026-13231 Drupal CVE debrief

Who should care

Users of Drupal Advanced Content Feedback (admin_feedback) versions from 0.0.0 to 2.8.0 should assess and apply patches or mitigations. This includes operators, platform administrators, vulnerability management teams, and security teams who need to evaluate the risk and implement necessary controls to prevent exploitation.

Technical summary

The Advanced Content Feedback (admin_feedback) module for Drupal is vulnerable to Stored Cross-Site Scripting (XSS). This issue arises from improper neutralization of input during web page generation, affecting versions from 0.0.0 to 2.8.0 of the module. The vulnerability has a medium priority for users of affected versions due to potential for user interaction-based attacks. To address this, users should inventory and assess their use of the module, apply available patches or updates, and implement compensating controls such as Web Application Firewalls (WAFs).

Defensive priority

Medium priority for users of affected Drupal Advanced Content Feedback versions due to potential for user interaction-based attacks.

Recommended defensive actions

• Inventory and assess use of Drupal Advanced Content Feedback (admin_feedback) versions from 0.0.0 to 2.8.0.
• Apply available patches or updates to affected versions.
• Implement compensating controls such as Web Application Firewalls (WAFs) to detect and prevent XSS attacks.
• Monitor for suspicious user interactions and implement Content Security Policy (CSP) headers.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

Evidence is limited; primary official records indicate a Stored XSS vulnerability in Drupal Advanced Content Feedback (admin_feedback). Further verification is needed to confirm affected scope and inventory. Defenders should verify the vulnerability's impact on their specific deployments and review the official advisory for detailed guidance.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.