CVE-2026-65899 DOMPurify before 3.4.9 Trusted Types Policy State Contamination

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 stays bound to a previously supplied TRUSTEDTYPESPOLICY. A later caller that requests RETURNTRUSTEDTYPE output receives a TrustedHTML...

PT-2026-63985

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 stays bound to a previously supplied TRUSTED TYPES POLICY. A later caller that requests RETURN TRUSTED TYPE output receives a TrustedHTM...