DOMPurify

DOMPurify DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It's also very simple to use and get started with. DOMPurify was started in February 2014 and, meanwhile, has reached version v3.4.17. DOMPurify runs as JavaScript and works in all modern browsers...

CVE-2024-48910-POC

CVE-2024-48910 Proof of Concept This is a proof of concept for CVE-2024-48910. This is a vulnerability that was present in DOMPurify, an XSS sanitizer for HTML, SVG, and MathML. This version of DOMPurify is vulnerable to prototype pollution, where an atatcker can inject properties into any JS...

Security Bulletin: IBM InfoSphere Optim Archive Viewer is affected by a vulnerability in dompurify (CVE-2026-66010)

Summary A Cross-Site Scripting XSS vulnerability in the dompurify package CVE-2026-66010 used by IBM InfoSphere Optim Archive Viewer has been addressed by upgrading the component to version 3.4.12 on Windows platforms and version 3.4.13 on Linux platforms. Vulnerability Details CVEID:CVE-2026-660...

CVE-2026-116802

A flaw was found in DOMPurify. This vulnerability allows a remote attacker to perform cross-site scripting XSS. When configured to parse Extensible Hypertext Markup Language XHTML content, the library fails to properly normalize and sanitize attribute names within animation elements. An attacker...

CVE-2026-116804

A flaw was found in DOMPurify. When configured to sanitize content for template engines, DOMPurify fails to properly scrub template expressions within attached shadow roots. A remote attacker can exploit this flaw by supplying crafted markup with expressions split across disallowed elements, whic...

CVE-2026-116803

A flaw was found in DOMPurify. This vulnerability allows a remote attacker to conduct cross-site scripting XSS attacks by supplying specially crafted markup. When an application processes content using in-place sanitization hooks that remove surrounding elements, the library fails to neutralize...

CVE-2024-48910-PoC

CVE-2024-48910-PoC Overview CVE-2024-48910 DOMPurify, a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG, was found to be vulnerable to prototype pollution CVE-2024-48910. The vulnerability was discovered and fixed in version 2.4.2, with the initial disclosure made on...

EUVD-2026-110512

DOMPurify from 3.4.4 before 3.4.17 contains a SAFEFORTEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURNDOM, RETURNDOMFRAGMENT, or INPLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which mer...

EUVD-2026-110511

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to keep event handlers armed when an INPLACE hook removes a parent or sibling node. Attacker markup in detached subtrees is never walked or neutralized, so handlers like img onerror fire after sanitize...

EUVD-2026-110510

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to bypass the SMIL attributeName=href guard when PARSERMEDIATYPE is application/xhtml+xml, because transformCaseFunc does not lowercase attribute names. Attackers can submit SVG with an animate or set...

CVE-2026-116804

DOMPurify from 3.4.4 before 3.4.17 contains a SAFEFORTEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURNDOM, RETURNDOMFRAGMENT, or INPLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which mer...

CVE-2026-116803

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to keep event handlers armed when an INPLACE hook removes a parent or sibling node. Attacker markup in detached subtrees is never walked or neutralized, so handlers like img onerror fire after sanitize...

CVE-2026-116802

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to bypass the SMIL attributeName=href guard when PARSERMEDIATYPE is application/xhtml+xml, because transformCaseFunc does not lowercase attribute names. Attackers can submit SVG with an animate or set...

CVE-2026-116804

The DOMPurify library (versions 3.4.4 before 3.4.17 ) contains a SAFE_FOR_TEMPLATES bypass. When using RETURN_DOM , RETURN_DOM_FRAGMENT , or IN_PLACE modes, attackers can preserve template expressions within attached shadow roots by splitting them across text nodes separated by disallowed element...

CVE-2026-116803

DOMPurify versions prior to 3.4.17 are vulnerable to a DOM-based Cross-Site Scripting (XSS) vulnerability. The root cause is that the library fails to neutralize event handlers in detached subtrees when an IN_PLACE hook removes a parent or sibling node. Consequently, handlers (such as img onerror...

CVE-2026-116803 DOMPurify before 3.4.17 DOM XSS via IN_PLACE Hook-Detached Subtrees

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to keep event handlers armed when an INPLACE hook removes a parent or sibling node. Attacker markup in detached subtrees is never walked or neutralized, so handlers like img onerror fire after sanitize...

CVE-2026-116804 DOMPurify from 3.4.4 before 3.4.17 SAFE_FOR_TEMPLATES Bypass via Shadow Root Content

DOMPurify from 3.4.4 before 3.4.17 contains a SAFEFORTEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURNDOM, RETURNDOMFRAGMENT, or INPLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which mer...

CVE-2026-116802

Versions of DOMPurify prior to 3.4.17 are vulnerable to a Cross-Site Scripting (XSS) vulnerability. The root cause is that transformCaseFunc fails to lowercase attribute names, allowing attackers to bypass the SMIL attributeName=href guard when PARSER_MEDIA_TYPE is set to application/xhtml+xml. E...

CVE-2026-116802 DOMPurify before 3.4.17 XSS via SMIL attributeName Guard Bypass in XHTML Mode

DOMPurify before 3.4.17 contains a cross-site scripting vulnerability that allows attackers to bypass the SMIL attributeName=href guard when PARSERMEDIATYPE is application/xhtml+xml, because transformCaseFunc does not lowercase attribute names. Attackers can submit SVG with an animate or set...

CVE-2026-47423-dompurify-xss-detector

DOMPurify re-clone logic flaw. Instead of relying on easily stripped source comments or version variables, this tool performs logic fingerprinting on minified production JavaScript bundles to identify unpatched allowed-tag layouts. Vulnerability Summary In DOMPurify versions up to 3.4.4, the...