CVE-2026-65911: Improper Neutralization of Input During Web Page Generation

In DOMPurify through 3.3.3, function predicates supplied via ADDATTR or ADDTAGS to DOMPurify.sanitize persist in internal state EXTRAELEMENTHANDLING across subsequent sanitize calls on the same instance. If a later call on the same instance provides ADDATTR or ADDTAGS as an array rather than a...

PT-2026-63990

Name of the Vulnerable Software and Affected Versions DOMPurify versions 3.0.0 through 3.3.3 Description When using the IN PLACE mode, the software fails to sanitize DOM elements that originate from a different window or realm, such as an iframe's contentDocument. This occurs because a cross-real...

NPM: DOMPurify: `CUSTOM_ELEMENT_HANDLING` bypasses `afterSanitizeElements` for allowed custom elements.

NPM: DOMPurify: CUSTOMELEMENTHANDLING bypasses afterSanitizeElements for allowed custom elements. vulnerability discovered by ? in WordPress Npm dompurify versions = 3.4.11...

GHSA-C2J3-45GR-MQC4 DOMPurify: `CUSTOM_ELEMENT_HANDLING` bypasses `afterSanitizeElements` for allowed custom elements.

Summary There is a possible hook-policy inconsistency in DOMPurify 3.4.11 involving CUSTOMELEMENTHANDLING. When a custom element is allowed via CUSTOMELEMENTHANDLING.tagNameCheck, it appears that the element does not go through afterSanitizeElements in the same way as a normal element. As a resul...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2473 more potentially affected by CVE-2026-66010 via dompurify (>=3.0.0, <=3.4.11)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.3.0, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.1.0, =0.10.2, =0.1.0-alpha.1, =0.1.0, =0.4.0 and more Source cves: CVE-2026-66010 Source advisory: OSV:GHSA-C2J3-45GR-MQC4...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2473 more potentially affected by CVE-2026-66010 via dompurify (>=3.0.0, <=3.4.11)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.3.0, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.1.0, =0.10.2, =0.1.0-alpha.1, =0.1.0, =0.4.0 and more Source cves: CVE-2026-66010 Source advisory: SNYK:JS-DOMPURIFY-18170233...

DOMPurify: `CUSTOM_ELEMENT_HANDLING` bypasses `afterSanitizeElements` for allowed custom elements.

Summary There is a possible hook-policy inconsistency in DOMPurify 3.4.11 involving CUSTOMELEMENTHANDLING. When a custom element is allowed via CUSTOMELEMENTHANDLING.tagNameCheck, it appears that the element does not go through afterSanitizeElements in the same way as a normal element. As a resul...

Incomplete List of Disallowed Inputs

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs in the CUSTOMELEMENTHANDLING. An attacker can cause security-relevant attributes to be preserved on allowed custom elements by leveragi...

Incomplete List of Disallowed Inputs

Overview org.webjars.npm:dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs in the CUSTOMELEMENTHANDLING. An attacker can cause security-relevant attributes to be preserved on allowed custom...

Security Bulletin: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in form-data and DOMPurify

Summary SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in form-data and DOMPurify. This has been addressed in the remediation section. Vulnerability Details CVEID:CVE-2026-12143 DESCRIPTION: form-data is a library for creating readable multipart/form-data...

PT-2026-64287

Name of the Vulnerable Software and Affected Versions DOMPurify versions prior to 3.4.12 Description DOMPurify fails to execute the afterSanitizeElements hook for custom elements that are permitted through CUSTOM ELEMENT HANDLING.tagNameCheck. This allows attributes to bypass application security...

Security Bulletin: IBM DataPower Gateway affected by cross-site scripting due to DOMPurify (CVE-2026-0540)

Summary DOMPurify is used by the UI component of IBM DataPower Gateway Vulnerability Details CVEID:CVE-2026-0540 DESCRIPTION: DOMPurify 3.1.3 through 3.3.1 and 2.5.3 through 2.5.8, fixed in commit 2726c74, contain a cross-site scripting vulnerability that allows attackers to bypass attribute...

ROOT-APP-NPM-GHSA-VXR8-FQ34-VVX9 GHSA-vxr8-fq34-vvx9 in @rootio/dompurify - Patched by Root

Root has patched GHSA-vxr8-fq34-vvx9 in the @rootio/dompurify package for Root:npm. Multiple fixed versions available...

PT-2026-65077

Root has patched GHSA-76mc-f452-cxcm in the @rootio/dompurify package for Root:npm. Multiple fixed versions available...

PT-2026-64870

Root has patched GHSA-vxr8-fq34-vvx9 in the @rootio/dompurify package for Root:npm. Multiple fixed versions available...

PT-2026-65078

Root has patched GHSA-cmwh-pvxp-8882 in the @rootio/dompurify package for Root:npm. Multiple fixed versions available...

SUSE CVE-2026-47423

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5...

SUSE CVE-2026-49458

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitizenode, INPLACE: true accepted same-origin foreign-realm DOM nodes while follow-on checks used parent-realm constructors, causing instanceof checks for forms, named node maps, documen...

SUSE CVE-2026-49459

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.6, DOMPurify.sanitizeroot, INPLACE: true could preserve event-handler attributes on an attacker-controlled root when a descendant name clobbered properties checked by isClobbered, because forceRemove...

SUSE CVE-2026-49978

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.7, DOMPurify INPLACE sanitization could skip shadow contents attached to an element inside .content, allowing attacker-controlled markup such as event handlers, JavaScript URLs, or scripts to survive an...