CVE-2026-65900 DOMPurify before 3.4.8 Template Expression Injection via RETURN_DOM

DOMPurify versions =3.0.0 and before 3.4.8, when configured with SAFEFORTEMPLATES together with a DOM output mode RETURNDOM, RETURNDOMFRAGMENT, or INPLACE, fail to strip template expressions e.g. $evil, evil, inside element content. The final normalization/scrub pass scrubTemplateExpressions uses...

CVE-2026-65900

CVE-2026-65900 affects DOMPurify versions 3.0.0 up to 3.4.7 when configured with SAFE_FOR_TEMPLATES and a DOM output mode (RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLACE). The final scrub pass (_scrubTemplateExpressions) uses a NodeIterator and node.normalize() that do not descend into template.con...

PT-2026-63986

DOMPurify versions =3.0.0 and before 3.4.8, when configured with SAFE FOR TEMPLATES together with a DOM output mode RETURN DOM, RETURN DOM FRAGMENT, or IN PLACE, fail to strip template expressions e.g. $evil, evil, inside element content. The final normalization/scrub pass scrubTemplateExpression...

Cross-site Scripting (XSS)

Overview org.webjars.npm:dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the SAFEFORTEMPLATES function. An attacker can inject template expressions that survive sanitization inside element content by...

GHSA-GVMJ-G25R-R7WR DOMPurify: SAFE_FOR_TEMPLATES bypass - template expressions survive sanitization inside <template> content when using DOM output modes

Summary When DOMPurify is configured with both SAFEFORTEMPLATES: true and RETURNDOM: true or INPLACE: true, an attacker can inject template expressions, such as $evil, evil, or , that survive the sanitization pass inside element content. This bypasses the explicit purpose of SAFEFORTEMPLATES, whi...

CVE-2026-41239

A flaw was found in DOMPurify. A remote attacker could exploit this cross-site scripting XSS vulnerability when DOMPurify is configured to return a Document Object Model DOM or DOM fragment. The SAFEFORTEMPLATES feature, intended to strip template expressions like ..., fails in these modes,...

CVE-2026-41239 DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Starting in version 1.0.10 and prior to version 3.4.0, SAFEFORTEMPLATES strips ... expressions from untrusted HTML. This works in string mode but not with RETURNDOM or RETURNDOMFRAGMENT, allowing XSS via...

CVE-2026-41239 DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Starting in version 1.0.10 and prior to version 3.4.0, SAFEFORTEMPLATES strips ... expressions from untrusted HTML. This works in string mode but not with RETURNDOM or RETURNDOMFRAGMENT, allowing XSS via...

CVE-2026-41239 DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Starting in version 1.0.10 and prior to version 3.4.0, SAFEFORTEMPLATES strips ... expressions from untrusted HTML. This works in string mode but not with RETURNDOM or RETURNDOMFRAGMENT, allowing XSS via...

CVE-2026-41239

CVE-2026-41239 affects DOMPurify. From v1.0.10 up to but not including v3.4.0, SAFE_FOR_TEMPLATES incorrectly strips mustache/templating expressions in untrusted HTML when RETURN_DOM/RETURN_DOM_FRAGMENT are used, enabling XSS in template-evaluating frameworks (e.g., Vue 2). The issue is triggered...

GHSA-CRV5-9VWW-Q3G8 DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode

Summary | Field | Value | |:------|:------| | Severity | Medium | | Affected | DOMPurify main at 883ac15, introduced in v1.0.10 7fc196db | SAFEFORTEMPLATES strips ... expressions from untrusted HTML. This works in string mode but not with RETURNDOM or RETURNDOMFRAGMENT, allowing XSS via...

DOMPurify has a SAFE_FOR_TEMPLATES bypass in RETURN_DOM mode

Summary | Field | Value | |:------|:------| | Severity | Medium | | Affected | DOMPurify main at 883ac15, introduced in v1.0.10 7fc196db | SAFEFORTEMPLATES strips ... expressions from untrusted HTML. This works in string mode but not with RETURNDOM or RETURNDOMFRAGMENT, allowing XSS via...

Cross-site Scripting (XSS)

Overview org.webjars.npm:dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS via templates injected to a site in RETURNDOM mode. The SAFEFORTEMPLATES sanitization can be bypassed, which then allows scripts to...

Cross-site Scripting (XSS)

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS via templates injected to a site in RETURNDOM mode. The SAFEFORTEMPLATES sanitization can be bypassed, which then allows scripts to be executed if...