MEDIUM 5.1 NVD
CVE-2026-111713
tarteaucitron.js before 1.37.0 contains a cross-site scripting vulnerability because getElemAttr resolves 'data-' prefixed attributes while the https-only guard
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.
References
- https://github.com/AmauriC/tarteaucitron.js/blob/v1.36.0/tarteaucitron.js#L2641-L2648
- https://github.com/AmauriC/tarteaucitron.js/commit/068653bd47f5d4a493251ca8e15bd2b0be9b544
- https://github.com/AmauriC/tarteaucitron.js/compare/v1.36.0...v1.37.0
- https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.37.0
- https://www.vulncheck.com/advisories/tarteaucitron-js-before-1.37.0-xss-via-getelemattr-at
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-10-16 via NVD.
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