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5.4 Medium

CVE-2026-53606 ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer…

Description

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use `allowedSchemesAppliedToAttributes` (default: `['href', 'src', 'cite']`) to gate the `naughtyHref()` function that blocks dangerous URI schemes like `javascript:` and `vbscript:`. The HTML specification defines 10+ attributes that accept URIs (`action`, `formaction`, `data`, `poster`, `background`, `ping`, `xlink:href`, `dynsrc`, `lowsrc`), but none of these are included in the default gate list. When a developer allows any of these attributes in their configuration, `javascript:` URIs pass through completely unmodified, enabling XSS. Version 2.17.5 patches the issue.

Affected products and versions

Product Affected versions Fixed in
sanitize-html 2.17 earliest → < 2.17.5 2.17.5

References

Timeline

  1. Published
  2. Last modified

Other CVEs of sanitize-html

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CVE-2026-113661 ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer… 5.4 Medium CVE-2026-113657 ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer… 3.7 Low CVE-2026-113654 ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer… 5.3 Medium CVE-2026-113650 ApostropheCMS is an open-source Node.js content management system 5.3 Medium
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