What is CVE-2025-11570?

CVE-2025-11570 is a medium-severity vulnerability in Drupal-Pattern-Lab/unified-Twig-Extensions, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-10-10.

How severe is CVE-2025-11570?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Drupal-Pattern-Lab/unified-Twig-Extensions

CVE-2025-11570

Versions of the package drupal-pattern-lab/unified-twig-extensions from 0.0.0 are vulnerable to Cross-site Scripting (XSS) due to insufficient filtering of data. **Note:** This is exploitable only if the code is executed outside of Drupal; the function is intended to be shared between Drupal and Pattern Lab. The package drupal-pattern-lab/unified-twig-extensions is unmaintained, the fix for this issue exists in version 1.1.1 of [drupal/unified_twig_ext](https://www.drupal.org/project/unified_twig_ext)

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

N/a Drupal-pattern-lab/unified-twig-extensions — versions 0.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-11570?: CVE-2025-11570 is a medium-severity vulnerability in Drupal-Pattern-Lab/unified-Twig-Extensions, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-10-10.
How severe is CVE-2025-11570?: Medium severity. CVSS v3 base score is 4.6 out of 10.