CVE-2026-65903

A flaw was found in DOMPurify. A logic error in the ADDTAGS function allows an attacker to bypass security restrictions. By crafting specific input, an attacker can cause tags that should be removed to remain in the sanitized output. This could lead to the injection of malicious content,...

Cross-site Scripting (XSS)

DOMPurify is vulnerable to Cross-site Scripting XSS. The vulnerability is due to failure to execute the afterSanitizeElements hook for custom elements allowed through CUSTOMELEMENTHANDLING.tagNameCheck, allowing sensitive attributes to bypass sanitization and be reused in innerHTML sinks to execu...

Linux Distros Unpatched Vulnerability : CVE-2026-65904

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify through 3.3.3 fails to sanitize DOM elements passed via INPLACE mode when the element originates from a different window/realm e.g., an iframe's...

Linux Distros Unpatched Vulnerability : CVE-2026-65898

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.11 fails to clone the ALLOWEDATTR allowlist when setConfig is used with an uponSanitizeAttribute hook, allowing the hook to permanently...

Linux Distros Unpatched Vulnerability : CVE-2026-65913

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USEPROFILES mode that allows attackers to bypass attribute filtering by polluting...

Linux Distros Unpatched Vulnerability : CVE-2026-66010

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to...

Linux Distros Unpatched Vulnerability : CVE-2026-65911

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In DOMPurify through 3.3.3, function predicates supplied via ADDATTR or ADDTAGS to DOMPurify.sanitize persist in internal state EXTRAELEMENTHANDLING across...

Linux Distros Unpatched Vulnerability : CVE-2026-65901

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify through 3.4.6 contains a cross-site scripting vulnerability in INPLACE mode that trusts attacker-controlled nodeName on live non-form nodes. Attackers...

Linux Distros Unpatched Vulnerability : CVE-2026-65914

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like...

Linux Distros Unpatched Vulnerability : CVE-2026-65902

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.7 affected versions = 3.4.5 passes direct references to the module-level DEFAULTALLOWEDTAGS and DEFAULTALLOWEDATTR sets to the...

Linux Distros Unpatched Vulnerability : CVE-2026-65899

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify 3.0.0 before 3.4.9 does not reset the retained Trusted Types policy when clearConfig is called, so a DOMPurify instance reused across trust boundaries...

Linux Distros Unpatched Vulnerability : CVE-2026-65903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.0 contains a logic error in the ADDTAGS function where short-circuit evaluation allows forbidden tags to bypass FORBIDTAGS restrictions...

Linux Distros Unpatched Vulnerability : CVE-2026-65900

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-57530

Milkdown before 7.21.3 contains a stored cross-site scripting vulnerability in the @milkdown/preset-commonmark and @milkdown/components packages that allows attackers with document write access to execute arbitrary JavaScript in the browser context of any user who opens the document or clicks a...

CVE-2026-57530

Milkdown (versions

CVE-2026-66010

A flaw was found in DOMPurify. This vulnerability allows attackers to bypass application security policies by preserving sensitive attributes on custom elements. These attributes can then be re-injected into web page content, leading to Cross-Site Scripting XSS attacks. An attacker could exploit...

DEBIAN-CVE-2026-66010

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-66010

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

UBUNTU-CVE-2026-66010

DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOMELEMENTHANDLING.tagNameCheck, allowing attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements that later re-inject them into...

CVE-2026-66010

DOMPurify before 3.4.12 has a vulnerability where afterSanitizeElements is not executed for custom elements allowed by CUSTOM_ELEMENT_HANDLING.tagNameCheck, enabling attributes to bypass application security policies. Attackers can preserve sensitive attributes on custom elements and later re-inj...