CVE WatchJul 23, 2026

CVE-2026-49977

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with th

CVSS

4.3

Medium

EPSS

0.4%

p29

KEV

—

Exploit Today

0-100

Published: Jul 17, 2026 · Last modified: Jul 23, 2026 · CWE-285

EPSS · 30d

0.2%EPSS · 30 days0.4%

2026-08-202026-09-17

Technical description

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.

Official references

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