CVE-2026-53962 (GCVE-0-2026-53962)
Vulnerability from cvelistv5
Published
2026-07-09 22:02
Modified
2026-07-10 20:31
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling could lead to cross-site scripting when a user visited specific URLs that are not normally part of community browsing. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
References
Impacted products
Vendor Product Version
discourse discourse Version: >= 2026.1.0-latest, < 2026.1.5
Version: >= 2026.4.0-latest, < 2026.4.2
Version: >= 2026.5.0-latest, < 2026.5.1
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