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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (11.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-11570: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Drupal-Pattern-Lab/unified-Twig-Extensions — versions 0.0.0

Weakness classification (CWE)

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.