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    CVE-2025-26791

    DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).

    Published:Feb 14, 2025
    Last Modified:Oct 7, 2025
    EPS:Feb 14, 2025
    EPSS Score:0.00014
    CVSS Score:4.5

    Affected Products

    Vendor
    Cure53
    Product
    Dompurify
    Vendor
    Redhat
    Product
    Ansible Automation Platform
    Vendor
    Redhat
    Product
    Network Observ Optr
    Vendor
    Redhat
    Product
    Openshift Ai
    Vendor
    Redhat
    Product
    Rhdh
    Vendor
    Redhat
    Product
    Service Mesh

    Exploits

    https://ensy.zip/posts/dompurify-323-bypass/https://nsysean.github.io/posts/dompurify-323-bypass/https://ensy.zip/posts/dompurify-323-bypass/

    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-2026-65913 (CVSS 5.1) — DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows attackers…
    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…

    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