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Description
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue.
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CVE Modified by redhat-SADP7/14/2026 10:22:02 PM
Action
Type
Old Value
New Value
Changed
Affected
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CVE Modified by redhat-SADP7/09/2026 9:17:20 AM
Action
Type
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New Value
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Reference
https://access.redhat.com/errata/RHSA-2026:36882
Added
Reference
https://access.redhat.com/errata/RHSA-2026:36883
Changed
Affected
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New CVE Received from GitHub, Inc.6/12/2026 5:16:22 PM
Action
Type
Old Value
New Value
Added
Description
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue.