What is the CVSS score of CVE-2026-25496?

CVE-2026-25496 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-2026-25496?

Organizations using Craft should be aware of moderate risk from CVE-2026-25496, a cross-site scripting vulnerability rated CVSS 4.8.. A patch is available.

Is there a public PoC exploit available for CVE-2026-25496?

Yes, a public proof-of-concept exploit is available for CVE-2026-25496. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-25496?

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

Craft Cms CVE-2026-25496

MEDIUM

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

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

GHSA-9f5h-mmq6-2x78

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 - 19:17 vuln.today

Public exploit code

Patch released

Feb 19, 2026 - 19:17 nvd

Patch available

CVE Published

Feb 09, 2026 - 20:15 nvd

MEDIUM 4.8

DescriptionGitHub Advisory

Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.

AnalysisAI

Stored XSS in Craft CMS Number field settings (versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21) allows authenticated users with high privileges to inject malicious scripts via the Prefix or Suffix fields, which execute when the field is viewed on user profiles. Public exploit code exists for this vulnerability. Updates to versions 4.16.18 and 5.8.22 are available to remediate the issue.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Craft Cms. Craft is a platform for creating digital experiences. In Craft versions 4.0.0-RC1 through 4.16.17 and 5.0.0-RC1 through 5.8.21, a stored XSS vulnerability exists in the Number field type settings. The Prefix and Suffix fields are rendered using the |md|raw Twig filter without proper escaping, allowing script execution when the Number field is displayed on users' profiles. This issue is patched in versions 4.16.18 and 5.8.22.

RemediationAI

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