How severe is CVE-2025-11570?

No CVSS score has been assigned to CVE-2025-11570 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2025-11570?

CVE-2025-11570 affects the following packages: drupal-pattern-lab/unified-twig-extensions (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2025-11570?

The records we use list no patched version of drupal-pattern-lab/unified-twig-extensions for CVE-2025-11570. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

How do I detect CVE-2025-11570 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for drupal-pattern-lab/unified-twig-extensions, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2025-11570 if there is no patch (or I can't update yet)?

Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Is CVE-2025-11570 actively exploited in the wild?

No public exploit code has been indexed for CVE-2025-11570 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2025-11570?

CVE-2025-11570 has an EPSS (Exploit Prediction Scoring System) score of 0.2%, placing it in the 13th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2025-11570?

CVE-2025-11570 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2025-11570 published, and has it been updated?

CVE-2025-11570 was published on October 10, 2025 and was last updated on October 11, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

CVE-2025-11570 — unified-twig-extensions

CVE-2025-11570 is a Cross-site Scripting (XSS) vulnerability in drupal-pattern-lab/unified-twig-extensions. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

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

Published

Oct 10, 2025

Updated

Oct 11, 2025

Affected

1 pkg

Patched

None yet

Exploits

None indexed

Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-11570.

EPSS Exploitation Probability

via FIRST.org ↗

0.2%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs13th percentile — riskier than 13% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐘drupal-pattern-lab/unified-twig-extensions

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`drupal-pattern-lab/unified-twig-extensions`	all versions	No fix

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for drupal-pattern-lab/unified-twig-extensions, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Remediation status
The records we use list no patched version of drupal-pattern-lab/unified-twig-extensions for CVE-2025-11570. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.
Mitigate without a patch
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

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), but is not published to the Composer PHP registry.

O3 Security · Impact-Aware SCA

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