Is CVE-2026-22254 actively exploited?

No active exploitation of CVE-2026-22254 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-22254 be exploited remotely?

Yes. CVE-2026-22254 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-22254?

CVE-2026-22254 has a CVSS score of 3.5 (LOW).

HOME VULNERABILITIESCVE-2026-22254

LOW

CVE-2026-22254

CWE-79Published: February 6, 2026· Updated: Jun 17, 2026

3.5

CVSS v3.1

Official Description

Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Versions of Winter CMS before 1.2.10 allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would need access to the Backend with a user account with the following permission: cms.manage_assets. The Winter CMS maintainers strongly recommend that the cms.manage_assets permission only be reserved to trusted administrators and developers in general. This vulnerability is fixed in 1.2.10.

NVD Source

Technical Analysis

CVE-2026-22254 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.