Is CVE-2026-111713 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-111713?

CVE-2026-111713 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-111713

Description

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.