Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-37269

25
FAUCET Score

CVE-2023-37269 describes a stored cross-site scripting (XSS) vulnerability in Winter CMS versions prior to 1.2.3, where unsanitized SVG uploads by users with backend.manage_branding permission could lead to XSS. The vulnerability has a CVSS score of 4.8 (MEDIUM) due to high privileges required for exploitation and user interaction needed to trigger the XSS, with limited impact on confidentiality and integrity. While an ExploitDB entry exists, there is no evidence of active exploitation, Metasploit/Nuclei modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.3CPE matchmatch criteria
cpe:2.3:a:wintercms:winter:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.0LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.5
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.70%
Probability of exploitation in next 30 days
EPSS Percentile
84.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-51591 · Jul 15, 2023
This CVE's current EPSS score of 0.0270 is in the 98th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: wintercms/winterFixed in: 1.2.3
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-wjw2-4j7j-6gc3low

Winter CMS stored XSS through privileged upload of SVG file

Jul 7, 2023

References

packetstormsecurity.com / files/173520/WinterCMS-1.2.2-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
github.com / wintercms/storm/commit/186d85d8fea2cae43afc807d39f68553c24e56be
Patch
github.com / wintercms/winter/commit/fa50b4c7489b67ea80072f8ac9fe5294fce1df1c
Patch
github.com / wintercms/winter/releases/tag/v1.2.3
Release Notes
github.com / wintercms/winter/security/advisories/GHSA-wjw2-4j7j-6gc3
PatchVendor Advisory