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    CVE-2026-65913

    DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as allowlisted attributes and resulting in DOM-based XSS when sanitized markup is rendered.

    Published:Jul 23, 2026
    Last Modified:Jul 23, 2026
    EPS:Jul 23, 2026
    EPSS Score:
    CVSS Score:6.1

    Affected Products

    Vendor
    Cure53
    Product
    Dompurify

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-75838 (CVSS 5.1) — DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-r…
    CVE-2026-66010 (CVSS 5.1) — DOMPurify before 3.4.12 fails to execute afterSanitizeElements hook for custom elements allowed via CUSTOM_ELE…
    CVE-2026-65914 (CVSS 5.3) — DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special pa…
    CVE-2026-65912 (CVSS 5.1) — DOMPurify before 3.3.2 contains a URI validation bypass vulnerability when ADD_ATTR is provided as a predicate…
    CVE-2026-65911 (CVSS 5.1) — In DOMPurify through 3.3.3, function predicates supplied via ADD_ATTR or ADD_TAGS to DOMPurify.sanitize() pers…
    CVE-2026-65904 (CVSS 2.3) — DOMPurify through 3.3.3 fails to sanitize DOM elements passed via IN_PLACE mode when the element originates fr…
    CVE-2026-65903 (CVSS 5.1) — DOMPurify before 3.4.0 contains a logic error in the ADD_TAGS function where short-circuit evaluation allows f…
    CVE-2026-65902 (CVSS 5.3) — DOMPurify before 3.4.7 (affected versions <= 3.4.5) passes direct references to the module-level DEFAULT_ALLOW…
    CVE-2026-65901 (CVSS 5.1) — DOMPurify through 3.4.6 contains a cross-site scripting vulnerability in IN_PLACE mode that trusts attacker-co…
    CVE-2026-65900 (CVSS 5.1) — DOMPurify versions >=3.0.0 and before 3.4.8, when configured with SAFE_FOR_TEMPLATES together with a DOM outpu…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High