EUVD-2026-105176

ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe stack overflow, nestingLimit not enforced...

ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe (stack overflow, nestingLimit not enforced)

Summary Since 2.18.0, when an is not allowed and disallowedTagsMode is 'discard' the defaults, its raw-text content is re-sanitized by a recursive call to sanitizeHtmltext, options the change from 5564, fixing 5550. The recursion has no bound and starts each nested call with a fresh state. Two...

GHSA-C9RX-X947-FP3H ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe (stack overflow, nestingLimit not enforced)

Summary Since 2.18.0, when an is not allowed and disallowedTagsMode is 'discard' the defaults, its raw-text content is re-sanitized by a recursive call to sanitizeHtmltext, options the change from 5564, fixing 5550. The recursion has no bound and starts each nested call with a fresh state. Two...

NPM: ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe (stack overflow, nestingLimit not enforced)

NPM: ApostropheCMS sanitize-html: unbounded recursion when re-sanitizing the fallback of a discarded iframe stack overflow, nestingLimit not enforced vulnerability discovered by ? in WordPress npm sanitize-html versions = 2.18.0, 2.18.1...

Linux Distros Unpatched Vulnerability : CVE-2026-113661

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html...

Linux Distros Unpatched Vulnerability : CVE-2026-113657

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From sanitize-html 2.17....

CVE-2026-113654

A flaw was found in sanitize-html. A remote attacker can bypass HTML sanitization by submitting specially crafted markup when the library is configured to strip noscript tags. In this scenario, the parser can prematurely terminate the discard region, allowing unsanitized content to persist and...

CVE-2026-113650

A flaw was found in sanitize-html. A remote attacker can cause a Denial of Service DoS by submitting specially crafted HTML input containing disallowed iframe elements. Under default configurations, the library re-sanitizes iframe content through unbounded recursive calls, exhausting system...

CVE-2026-113657

A flaw was found in sanitize-html. This vulnerability allows a remote attacker to achieve arbitrary script execution when an application is configured to permit namespace-prefixed Scalable Vector Graphics SVG animation elements. By submitting specially crafted SVG markup, an attacker can bypass U...

CVE-2026-113661

A flaw was found in sanitize-html. In configurations where meta refresh elements and their attributes are permitted, the sanitizer fails to properly filter unsafe scripts or redirect destinations within the refresh content value. A remote attacker could exploit this vulnerability by submitting...

NPM: ApostropheCMS sanitize-html: SMIL animation namespace-prefix bypass allows javascript: URI injection (XSS)

NPM: ApostropheCMS sanitize-html: SMIL animation namespace-prefix bypass allows javascript: URI injection XSS vulnerability discovered by ? in WordPress npm sanitize-html versions = 2.17.7, 2.18.0...

GHSA-374F-7CHJ-9948 ApostropheCMS sanitize-html: SMIL animation namespace-prefix bypass allows javascript: URI injection (XSS)

Summary sanitize-html 2.17.7 introduced animatesUrlAttribute to block SVG animation elements animate, animateColor, animateMotion, animateTransform, set when their attributeName targets a URL sink like href. However, this check is bypassed when the animation element uses a namespace prefix e.g.,...

ApostropheCMS sanitize-html: SMIL animation namespace-prefix bypass allows javascript: URI injection (XSS)

Summary sanitize-html 2.17.7 introduced animatesUrlAttribute to block SVG animation elements animate, animateColor, animateMotion, animateTransform, set when their attributeName targets a URL sink like href. However, this check is bypassed when the animation element uses a namespace prefix e.g.,...

CVE-2026-113661

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default configuration that allows meta refresh elements and their http-equiv and content attributes can retain unsafe script...

NPM: ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

NPM: ApostropheCMS: Incomplete CVE-2026-53606: meta http-equiv=refresh content still ships javascript: / data: URLs vulnerability discovered by ? in WordPress npm sanitize-html versions 2.18.0...

ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting <noscript> content render

Summary sanitize-html discards the content of every element in nonTextTags. It delimits that region using htmlparser2's close events, and ignores the isImplied flag htmlparser2 passes it. Closing a still-open ancestor from inside a makes htmlparser2 unwind its stack past the noscript; the synthet...

GHSA-X3Q4-9HXX-GX8M ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting <noscript> content render

Summary sanitize-html discards the content of every element in nonTextTags. It delimits that region using htmlparser2's close events, and ignores the isImplied flag htmlparser2 passes it. Closing a still-open ancestor from inside a makes htmlparser2 unwind its stack past the noscript; the synthet...

NPM: ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting <noscript> content render

NPM: ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting content render vulnerability discovered by ? in WordPress npm sanitize-html versions 2.18.0...

CVE-2026-113654

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Prior to sanitize-html 2.18.0, a non-default nonTextTags configuration that includes noscript can end its discard region early when htmlparser2 emits an implied...

CVE-2026-113657

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From sanitize-html 2.17.7 until 2.18.0, an application configuration that permits namespace-prefixed SVG animation elements and the relevant URL-targeting...