CVE-2026-111713mediumCWE-79

CVE-2026-111713: medium-severity vulnerability in AmauriC tarteaucitron.js

tarteaucitron.js before 1.37.0 XSS via getElemAttr Attribute Validation Mismatch

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.1epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Affected products
AmauriC · tarteaucitron.js
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