AmauriC Tarteaucitron.js vulnerabilities

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Published CVEs affecting AmauriC Tarteaucitron.js: 4 record(s), with affected versions and fixes.

CVE-2026-111714 Low · 3.1 CWE-1333 Oct 16, 2026

tarteaucitron.js before 1.37.0 ReDoS via Unescaped Cookie Name in cookie.purge

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.

CVE-2026-111713 Medium · 5.4 CWE-79 Oct 16, 2026

tarteaucitron.js before 1.37.0 XSS via getElemAttr Attribute Validation Mismatch

tarteaucitron.js before 1.37.0 contains a cross-site scripting vulnerability because getElemAttr resolves 'data-' prefixed attributes while the https-only guard validates the unprefixed attribute. Attackers who can place markup, such as CMS authors, can add data-url with a javascript: URL beside a benign url to execute script in the site's origin via iframe src.

CVE-2026-49977 Medium · 4.3 CWE-285 Jul 17, 2026

tarteaucitron.js: data-cookie attribute can be used to delete arbitrary cookies

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with the purgeBtn class and does not check whether the element is a legitimate tarteaucitron button or whether the cookie corresponds to a service handled by tarteaucitron. If an attacker can write HTML with data attributes, an element with data-cookie can silently delete a non-HttpOnly cookie with a known name when clicked by a user. This issue is fixed in version 1.33.0.

CVE-2026-22809 Medium · 4.4 CWE-1333 Jan 13, 2026

tarteaucitron.js has Regular Expression Denial of Service (ReDoS) vulnerability

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is fixed in 1.29.0.