Threats Tagged 'cve-2026-5388'
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Threats Tagged 'cve-2026-5388'
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CVE-2026-5388: Improper Input Validation in EmilStenstrom justhtmlCVE-2026-5388 0 CVE-2026-5388 affects EmilStenstrom justhtml versions before 1.15.0 and involves multiple security issues in URL sanitization helpers, HTML serialization, Markdown passthrough, and custom sanitization policies. These issues can allow attackers to bypass sanitization and inject active HTML and JavaScript under certain configurations. The vulnerability is critical with a CVSS score of 9.3. Most issues do not affect the default sanitize=true setting but impact helper APIs, programmatic DOM construction, html_passthrough=true, and custom policies. Join the discussion | CVE Database V5 | 08/23/2026, 13:34:09 UTC Added: 08/23/2026, 13:52:39 UTC |
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