Cross-site scripting in drupal-pattern-lab/unified-twig-extensions
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | drupal-pattern-lab/unified-twig-extensions | 0.0.0 and later | — | No fix listed | CNA |
| — | drupal-pattern-lab/unified-twig-extensions (Packagist) | up to 0.1.0 | — | No fix listed | GHSA-64mv-9655-37hx |
- drupal-pattern-lab/unified-twig-extensions Vendor— Affected 0.0.0 and later Fixed in — No fix listed CNA
- drupal-pattern-lab/unified-twig-extensions (Packagist) Vendor— Affected up to 0.1.0 Fixed in — No fix listed GHSA-64mv-9655-37hx
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11570
- 2026-10-03 Alias added: GHSA-64mv-9655-37hx
References
Other 4
- https://github.com/drupal-pattern-lab/unified-twig-extensions/blob/862b9deccab544ca68e3aaaccc257d14acc9b1f6/example/_twig-components/functions/link.function.php%23L9
- https://www.drupal.org/sa-contrib-2023-041
- https://github.com/drupal-pattern-lab/unified-twig-extensions
- https://www.drupal.org/project/unified_twig_ext
Sources
- CVE-2025-11570 · CVE Program
- CVE-2025-11570 · NVD
- FIRST EPSS
- GHSA-64mv-9655-37hx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences