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Solution
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Mon, 24 Aug 2026 19:30:00 +0000
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|---|---|---|
| Metrics |
ssvc
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Sun, 23 Aug 2026 16:45:00 +0000
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| First Time appeared |
Emilstenstrom
Emilstenstrom justhtml |
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| Vendors & Products |
Emilstenstrom
Emilstenstrom justhtml |
Sun, 23 Aug 2026 14:00:00 +0000
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| Description | justhtml versions 1.13.0 and earlier contain a parser-differential / mutation cross-site scripting (mXSS) vulnerability when using a custom SanitizationPolicy that preserves foreign namespaces (e.g., drop_foreign_namespaces=False with allowlisted SVG/MathML elements or raw-text containers such as <style>). Specially crafted input can sanitize into markup that appears safe but becomes unsafe when re-parsed by a browser or another HTML parser, allowing markup injection. The default safe configuration (sanitize=True) is not affected. Fixed in 1.14.0. | |
| Title | justhtml before 1.14.0 Mutation XSS via custom sanitization policies | |
| Weaknesses | CWE-79 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-24T19:03:33.747Z
Reserved: 2026-04-07T15:54:18.686Z
Link: CVE-2026-5751
Updated: 2026-08-24T19:03:30.684Z
Status : Received
Published: 2026-08-23T14:16:53.807
Modified: 2026-08-24T19:16:40.997
Link: CVE-2026-5751
No data.
OpenCVE Enrichment
Updated: 2026-08-23T16:39:44Z