How severe is GHSA-7pr4-wx9w-mqwr?

No CVSS score has been assigned to GHSA-7pr4-wx9w-mqwr yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-7pr4-wx9w-mqwr?

GHSA-7pr4-wx9w-mqwr affects the following packages: craftcms/cms (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-7pr4-wx9w-mqwr?

Update craftcms/cms to 5.8.22 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-7pr4-wx9w-mqwr is resolved across your whole dependency graph.

How do I detect GHSA-7pr4-wx9w-mqwr in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for craftcms/cms. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

How do I mitigate GHSA-7pr4-wx9w-mqwr if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against GHSA-7pr4-wx9w-mqwr?

O3 pinpoints whether GHSA-7pr4-wx9w-mqwr is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Is GHSA-7pr4-wx9w-mqwr actively exploited in the wild?

No public exploit code has been indexed for GHSA-7pr4-wx9w-mqwr 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 GHSA-7pr4-wx9w-mqwr?

GHSA-7pr4-wx9w-mqwr has an EPSS (Exploit Prediction Scoring System) score of 0.3%, placing it in the 23th 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 GHSA-7pr4-wx9w-mqwr?

GHSA-7pr4-wx9w-mqwr 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 GHSA-7pr4-wx9w-mqwr published, and has it been updated?

GHSA-7pr4-wx9w-mqwr was published on February 9, 2026 and was last updated on February 9, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

GHSA-7pr4-wx9w-mqwr

Craft CMS Vulnerable to Stored XSS in Entry Types Name

Also known asCVE-2026-25491

Published

Feb 9, 2026

Updated

Feb 9, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

EPSS Exploitation Probability

via FIRST.org ↗

0.3%probability of exploitation in next 30 days

Lower Risk23th percentile+0.29%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

🐘craftcms/cms

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

Summary

Stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list.

Proof of Concept

Required Permissions (Attacker)

Admin access (only admins have access to the settings page)
allowAdminChanges is enabled in production, which is against our security recommendations.

Steps to Reproduce

Log in as an attacker.
Go to Settings -> Entry Types (/admin/settings/entry-types).
Create a new Entry Type.
Set Name to:

<img src=x onerror="alert('XSS-EntryTypes')" hidden>

Save the Entry Type, and you’ll be redirected back to the entry types table automatically.
Notice the alert fires when the entry types table renders.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`craftcms/cms`	≥ 5.0.0-RC1&&< 5.8.22	5.8.22

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for craftcms/cms. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update craftcms/cms to 5.8.22 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-7pr4-wx9w-mqwr is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-7pr4-wx9w-mqwr is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-7pr4-wx9w-mqwr. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

## Summary Stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list. --- ## Proof of Concept ### Required Permissions (Attacker) - Admin access (only admins have access to the settings page) - `allowAdminChanges` is enabled in production, which is against our [security recommendations](https://craftcms.com/knowledge-base/securing-craft). ### Steps to Reproduce 1. Log in as an attacker. 2. Go to **Settings** -> **Entry Types** (`/admin/settings/entry-types`). 3. Create a new Entry Type. 4. Set **Name** to: ```html <img src=x onerror="alert('XSS-Entr

O3 Security · Impact-Aware SCA

Is GHSA-7pr4-wx9w-mqwr in your dependencies?

O3 detects GHSA-7pr4-wx9w-mqwr across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my dependencies How O3 SCA works