What is the CVSS score of CVE-2026-25491?

CVE-2026-25491 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Craft Cms are affected by CVE-2026-25491?

Organizations using Craft should be aware of moderate risk from CVE-2026-25491, a cross-site scripting vulnerability rated CVSS 4.8.. A patch is available.

Is there a public PoC exploit available for CVE-2026-25491?

Yes, a public proof-of-concept exploit is available for CVE-2026-25491. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-25491?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Craft Cms CVE-2026-25491

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-09 security-advisories@github.com

GHSA-7pr4-wx9w-mqwr

XSS Craft Cms

4.8

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

4.8 MEDIUM

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 19, 2026 - 19:26 vuln.today

Public exploit code

Patch released

Feb 19, 2026 - 19:26 nvd

Patch available

CVE Published

Feb 09, 2026 - 20:15 nvd

MEDIUM 4.8

DescriptionGitHub Advisory

Craft is a platform for creating digital experiences. From 5.0.0-RC1 to 5.8.21, Craft has a stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list. This vulnerability is fixed in 5.8.22.

AnalysisAI

Stored cross-site scripting in Craft CMS versions 5.0.0-RC1 through 5.8.21 allows authenticated users with high privileges to inject malicious scripts through Entry Type names that are not sanitized when displayed in the Entry Types list. An attacker exploiting this vulnerability can execute arbitrary JavaScript in the browsers of other users viewing the affected list, potentially compromising session data or performing unauthorized actions. Public exploit code exists for this vulnerability, though a patch is available in version 5.8.22 and later.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Craft Cms. Craft is a platform for creating digital experiences. From 5.0.0-RC1 to 5.8.21, Craft has a stored XSS via Entry Type names. The name is not sanitized when displayed in the Entry Types list. This vulnerability is fixed in 5.8.22.

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 5.8.22.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.