CVE-2026-116538 (GCVE-0-2026-116538)
Vulnerability from cvelistv5
Published
2026-10-26 14:59
Modified
2026-10-31 01:25
Severity ?
2.3 (Low) - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
4.7 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/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
HtmlSanitizer before 9.2.1039 and 10.0 prereleases before 10.0.1037-beta contains a cross-site scripting vulnerability because SanitizeDom(string) never sanitizes attributes on the html and body wrapper elements. Attackers can supply input with a second body or html tag carrying event handlers like onload, executing script when applications render serialized document or body outer HTML.
References
Impacted products
Vendor Product Version
mganss HtmlSanitizer Version: 0   ≤
Version: 10.0.0-beta   ≤
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