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    CVE-2026-111714

    tarteaucitron.js before 1.37.0 contains a regular expression denial of service vulnerability that allows attackers to block visitor pages by supplying unescaped cookie names to cookie.purge. Attackers can plant a cookie from a sibling subdomain or inject a purgeBtn element with a catastrophic-backtracking data-cookie pattern that freezes the page when the purge button is clicked.

    Published:Oct 16, 2026
    Last Modified:Oct 16, 2026
    EPS:Oct 16, 2026
    EPSS Score:
    CVSS Score:3.1

    Affected Products

    Vendor
    Amauri
    Product
    Tarteaucitronjs

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-492 Regular Expression Exponential Blowup

    Related CVEs

    CVE-2026-111713 (CVSS 5.1) — tarteaucitron.js before 1.37.0 contains a cross-site scripting vulnerability because getElemAttr resolves 'dat…
    CVE-2026-49977 (CVSS 4.3) — tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is…
    CVE-2026-22809 (CVSS 4.4) — tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of …
    CVE-2025-48939 (CVSS 4.2) — tarteaucitron.js is a compliant and accessible cookie banner. Prior to version 1.22.0, a vulnerability was ide…
    CVE-2025-31476 (CVSS 4.8) — tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.…
    CVE-2025-31475 (CVSS 5.5) — tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.…
    CVE-2025-31138 (CVSS 5.5) — tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.…

    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