XSS in Wintercms Winter
CVE-2023-37269
Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Users with the `backend.manage_branding` permission can upload SVGs as the application logo. Prior to version 1.2.3, SVG uploads were not san…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.013 (80.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Wintercms Winter — versions < 1.2.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/wintercms/winter/security/advisories/GHSA-wjw2-4j7j-6gc3 (x_refsource_CONFIRM)
- https://github.com/wintercms/storm/commit/186d85d8fea2cae43afc807d39f68553c24e56be (x_refsource_MISC)
- https://github.com/wintercms/winter/commit/fa50b4c7489b67ea80072f8ac9fe5294fce1df1c (x_refsource_MISC)
- https://github.com/wintercms/winter/releases/tag/v1.2.3 (x_refsource_MISC)
- packetstormsecurity.com/files/173520/WinterCMS-1.2.2-Cross-Site-Scripting.html
Frequently asked questions
- What is CVE-2023-37269?
- CVE-2023-37269 is a low-severity vulnerability in Wintercms Winter, classified under Cross-site Scripting. CVSS score: 2.0/10. Published 2023-07-07.
- How severe is CVE-2023-37269?
- Low severity. CVSS v3 base score is 2.0 out of 10.
- Is CVE-2023-37269 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.