{"schema_version":1,"title":"HtmlSanitizer (NuGet) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in HtmlSanitizer (NuGet): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-25543, was published on 3 February 2026.","url":"https://junglewise.ai/threats/technologies/nuget-htmlsanitizer","json_url":"https://junglewise.ai/threats/technologies/nuget-htmlsanitizer.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/nuget-htmlsanitizer","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":1},"latest":[{"cve":"CVE-2026-25543","cvss":4,"epss":0.0036,"slug":"cve-2026-25543-htmlsanitizer-has-a-bypass-via-template-tag","title":"HtmlSanitizer has a bypass via template tag","severity":"medium","exploited":false,"published_at":"2026-02-03T19:22:06+00:00","url":"https://junglewise.ai/threats/cve-2026-25543-htmlsanitizer-has-a-bypass-via-template-tag"},{"cve":"CVE-2023-44390","cvss":3.1,"epss":0.0036,"slug":"cve-2023-44390-htmlsanitizer-vulnerable-to-cross-site-scripting-in-foreign","title":"HtmlSanitizer vulnerable to Cross-site Scripting in Foreign Content","severity":"low","exploited":false,"published_at":"2023-10-04T18:52:35+00:00","url":"https://junglewise.ai/threats/cve-2023-44390-htmlsanitizer-vulnerable-to-cross-site-scripting-in-foreign"},{"cve":"CVE-2020-26293","cvss":3.1,"epss":0.01,"slug":"cve-2020-26293-xss-in-htmlsanitizer","title":"XSS in HtmlSanitizer","severity":"low","exploited":false,"published_at":"2021-01-04T18:22:11+00:00","url":"https://junglewise.ai/threats/cve-2020-26293-xss-in-htmlsanitizer"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft.ChakraCore (NuGet)","slug":"microsoft-chakracore","vulnerabilities":247,"url":"https://junglewise.ai/threats/technologies/microsoft-chakracore"},{"name":"Magick.NET-Q16-AnyCPU (NuGet)","slug":"magick-net-q16-anycpu","vulnerabilities":167,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-anycpu"},{"name":"Magick.NET-Q16-HDRI-AnyCPU (NuGet)","slug":"magick-net-q16-hdri-anycpu","vulnerabilities":162,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-hdri-anycpu"},{"name":"Magick.NET-Q8-AnyCPU (NuGet)","slug":"magick-net-q8-anycpu","vulnerabilities":162,"url":"https://junglewise.ai/threats/technologies/magick-net-q8-anycpu"},{"name":"Magick.NET-Q16-HDRI-x86 (NuGet)","slug":"magick-net-q16-hdri-x86","vulnerabilities":160,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x86"},{"name":"Magick.NET-Q8-x86 (NuGet)","slug":"magick-net-q8-x86","vulnerabilities":160,"url":"https://junglewise.ai/threats/technologies/magick-net-q8-x86"},{"name":"Magick.NET-Q16-x86 (NuGet)","slug":"magick-net-q16-x86","vulnerabilities":159,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-x86"},{"name":"Magick.NET-Q16-arm64 (NuGet)","slug":"magick-net-q16-arm64","vulnerabilities":157,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-arm64"},{"name":"Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)","slug":"magick-net-q16-hdri-openmp-arm64","vulnerabilities":157,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-hdri-openmp-arm64"},{"name":"Magick.NET-Q16-HDRI-x64 (NuGet)","slug":"magick-net-q16-hdri-x64","vulnerabilities":157,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-hdri-x64"},{"name":"Magick.NET-Q16-OpenMP-arm64 (NuGet)","slug":"magick-net-q16-openmp-arm64","vulnerabilities":157,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-openmp-arm64"},{"name":"Magick.NET-Q16-OpenMP-x64 (NuGet)","slug":"magick-net-q16-openmp-x64","vulnerabilities":157,"url":"https://junglewise.ai/threats/technologies/magick-net-q16-openmp-x64"}],"technology":{"hub":true,"name":"HtmlSanitizer (NuGet)","slug":"nuget-htmlsanitizer","vendor":{"hub":true,"name":"NuGet","slug":"nuget","url":"https://junglewise.ai/threats/vendors/nuget"},"aliases":[],"homepage":"https://www.nuget.org/packages/HtmlSanitizer","description":".NET library for cleaning HTML content by removing potentially malicious elements and attributes.","url":"https://junglewise.ai/threats/technologies/nuget-htmlsanitizer"},"most_severe":[{"cve":"CVE-2026-25543","cvss":4,"epss":0.0036,"slug":"cve-2026-25543-htmlsanitizer-has-a-bypass-via-template-tag","title":"HtmlSanitizer has a bypass via template tag","severity":"medium","exploited":false,"published_at":"2026-02-03T19:22:06+00:00","url":"https://junglewise.ai/threats/cve-2026-25543-htmlsanitizer-has-a-bypass-via-template-tag"},{"cve":"CVE-2020-26293","cvss":3.1,"epss":0.01,"slug":"cve-2020-26293-xss-in-htmlsanitizer","title":"XSS in HtmlSanitizer","severity":"low","exploited":false,"published_at":"2021-01-04T18:22:11+00:00","url":"https://junglewise.ai/threats/cve-2020-26293-xss-in-htmlsanitizer"},{"cve":"CVE-2023-44390","cvss":3.1,"epss":0.0036,"slug":"cve-2023-44390-htmlsanitizer-vulnerable-to-cross-site-scripting-in-foreign","title":"HtmlSanitizer vulnerable to Cross-site Scripting in Foreign Content","severity":"low","exploited":false,"published_at":"2023-10-04T18:52:35+00:00","url":"https://junglewise.ai/threats/cve-2023-44390-htmlsanitizer-vulnerable-to-cross-site-scripting-in-foreign"}],"generated_at":"2026-11-09T03:07:00.176479+00:00"}