HtmlSanitizer before 9.2.1039 XSS via SanitizeDom Body and HTML Attributes
Exact source revision recorded 26 Oct 2026 16:35:30 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-116538
PublishedHtmlSanitizer 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.
- Source published
- 26 Oct 2026 14:59:38 UTC
- Source modified
- 26 Oct 2026 14:59:38 UTC
- Observed here
- 26 Oct 2026 16:35:30 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
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CVSS 4.0 · 2.3 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
CVSS 3.1 · 4.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N