CVE-2025-11570

drupal-pattern-lab/unified-twig-extensions is vulnerable to XXS

4.8 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Active

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.22%Up 0.2 points since Oct 10, 2025

What each source reports

CVE List Score used 4.8

Record: CVE-2025-11570
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:P
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-33657 4.8

Record: EUVD-2025-33657
CVSS 4.0: 4.8 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Updated: 2026-11-02

GitHub AdvisoriesGHSA-64mv-9655-37hx 1.9

drupal-pattern-lab/unified-twig-extensions is vulnerable to XXS

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, but is not published to the Composer PHP registry.

Record: GHSA-64mv-9655-37hx
CVSS 4.0: 1.9 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Weakness: CWE-79
Updated: 2026-11-02

NVD 1.9

Record: CVE-2025-11570
CVSS 4.0: 1.9 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-64mv-9655-37hx 1.9

drupal-pattern-lab/unified-twig-extensions is vulnerable to XXS

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, but is not published to the Composer PHP registry.

Record: GHSA-64mv-9655-37hx
CVSS 4.0: 1.9 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Weakness: CWE-79
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`drupal-pattern-lab/unified-twig-extensions` Packagist	through 0.1.0	None known
`drupal-pattern-lab/unified-twig-extensions` Packagist	through 0.1.0, plus listed versions v0.1.0	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-11570 is a medium vulnerability (CVSS 4.8) in drupal-pattern-lab/unified-twig-extensions, published October 10, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. No source names a fixed version.