EUVD-2026-48273

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 contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904

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 contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

CVE-2026-65904: Improper Check for Unusual or Exceptional Conditions

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 contentDocument. A cross-realm instanceof check in the private isNode function returns false for foreign-realm nodes, causing DOMPurify to...

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...

CVE-2026-49458 DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks

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...

CVE-2026-49458 DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks

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...

Improper Authorization

Keycloak is vulnerable to improper authorization. The vulnerability is due to missing validation that the target user belongs to the caller's realm in certain user read endpoints, which allows a tenant realm administrator to access profile information, client roles, and realm roles of users acros...

OpenRemote has Cross-Realm User Information Disclosure in UserResourceImpl

Summary A realm admin of tenant B can read the profile, client roles, and realm roles of any user in any other realm including the master realm by supplying the target user's UUID in the REST API path. Three read endpoints in UserResourceImpl check whether the caller holds the read:admin role but...

GHSA-XQR9-4WVV-GVCH OpenRemote has Cross-Realm User Information Disclosure in UserResourceImpl

Summary A realm admin of tenant B can read the profile, client roles, and realm roles of any user in any other realm including the master realm by supplying the target user's UUID in the REST API path. Three read endpoints in UserResourceImpl check whether the caller holds the read:admin role but...

GHSA-VJR9-F93J-MJR7 Duplicate Advisory: OpenRemote Manager: removeAlarms cross-realm IDOR (bulk delete)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-h3m5-97jq-qjrf. This link is maintained to preserve external references. Original Description OpenRemote before 1.25.0 contains an insecure direct object reference IDOR vulnerability in the bulk alarm deletion...

CVE-2026-47209

A flaw was found in vm2, an open-source virtual machine VM sandbox for Node.js. This vulnerability allows an attacker to bypass security restrictions by writing dangerous cross-realm Symbol keys to host objects. This can lead to a compromise of the integrity of the host system, potentially enabli...

GHSA-HPCV-96WG-7VJ8 DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks

Cross-realm INPLACE sanitization leaves executable markup intact via realm-bound instanceof checks CWE: CWE-79 XSS — Improper Neutralization of Input During Web Page Generation via CWE-693 Protection Mechanism Failure — realm-bound instanceof checks fail-open on foreign-realm DOM nodes and CWE-50...

NPM: DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks

NPM: DOMPurify: Cross-realm INPLACE sanitization leaves executable markup intact via realm-bound instanceof checks vulnerability discovered by ? in WordPress Npm dompurify versions = 3.4.5...

DOMPurify: Cross-realm IN_PLACE sanitization leaves executable markup intact via realm-bound `instanceof` checks

Cross-realm INPLACE sanitization leaves executable markup intact via realm-bound instanceof checks CWE: CWE-79 XSS — Improper Neutralization of Input During Web Page Generation via CWE-693 Protection Mechanism Failure — realm-bound instanceof checks fail-open on foreign-realm DOM nodes and CWE-50...

PT-2026-49557

Name of the Vulnerable Software and Affected Versions DOMPurify versions prior to 3.4.6 Description DOMPurify fails to properly sanitize DOM nodes from same-origin foreign realms such as those from an iframe, popup window, or opened tab when using the DOMPurify.sanitizenode, IN PLACE: true method...

CVE-2026-47135

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox...

CVE-2026-47209

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, the BaseHandler.set trap in bridge.js line 1231 ignores the receiver parameter and unconditionally writes to the host target object. Per the Proxy set trap specification, when receiver !== proxy e.g., when a child object...

CVE-2026-47135 vm2: Sandbox escape via unblocked cross-realm Symbol.for keys + missing bridge write-trap symbol checks

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox...

CVE-2026-47135

CVE-2026-47135 vm2 sandbox escape : The vm2 sandbox (Node.js) before 3.11.4 exposes real cross-realm Node.js symbols due to an incomplete Symbol.for override (only blocks two of nine dangerous symbols) and missing isDangerousCrossRealmSymbol checks in bridge write traps (set/defineProperty/delete...

CVE-2026-47135 vm2: Sandbox escape via unblocked cross-realm Symbol.for keys + missing bridge write-trap symbol checks

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox...