CVE-2026-74793: medium-severity vulnerability in EmilStenstrom justhtml
justhtml before 3.11.0 XSS via selectedcontent projection
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.1epss 0.3%
justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling stored or reflected XSS attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
EmilStenstrom · justhtmlRelated CVEs — EmilStenstrom justhtml
In the same product, most dangerous first.
CVE-2026-4671HIGHjusthtml before 1.18.0 Denial of Service via CSS SelectorEPSS 0.7%CVE-2026-8445CRITICALjusthtml before 1.12.0 Sanitizer Bypass via MarkdownEPSS 0.6%CVE-2026-7808CRITICALjusthtml before 1.16.0 Multiple Security Issues via SanitizationEPSS 0.6%CVE-2026-5388CRITICALjusthtml before 1.15.0 Multiple Security IssuesEPSS 0.6%CVE-2026-9769HIGHjusthtml before 1.10.0 Denial of Service via deeply nested HTMLEPSS 0.3%CVE-2026-8630MEDIUMjusthtml before 1.12.0 Mutation XSS via Raw Text ElementsEPSS 0.3%