CVE-2026-22254

lowpriority · track · 14EPSS 0.003 · 21 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.29% (21st) EPSS
CVSS 3.5 · low
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

3.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · none–low · 0–3.5

v3.13.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 0.9 · impact 2.5
v3.10noneCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Nsecondary · security-advisories@github.comexploitability 0.9 · impact 0
v3.10noneCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:Nsecondary · OSV
v3.13.2lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-80US
04

affected products (3)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-m7gw-rffq-rxjmWinter CMS has Stored Cross-site Scripting (XSS) in Asset Manager2026-02-04ghsa · osvUS

    ## Impact Affected versions of Winter CMS 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. ## Patches Sanitization of SVG assets is now applied automatically when uploading through the CMS Asset Manager. This security issue has been fixed as of https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65. ## Workarounds If users cannot upgrade, they may apply commit https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65 to their Winter CMS installation manually to resolve this issue.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdosvNVDCVE.orgMITRE
published 2026-02-06modified 2026-06-17
08

references (11)

External citations — patches, advisories, analysis.

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