CVE-2021-36889: WordPress tarteaucitron.js – Cookies legislation & GDPR plugin <= 1.6 - Multiple Stored Authenticated Cross-Site Scripting (XSS) vulnerabilities

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-20 · updated 2026-06-17
Weakness: CWE-79

Description

Multiple Stored Authenticated Cross-Site Scripting (XSS) vulnerabilities were discovered in tarteaucitron.js – Cookies legislation & GDPR WordPress plugin (versions <= 1.6).

Affected products

tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin): before 1.6.1 — fixed in 1.6.1

How to fix

Upgrade to a fixed version: tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin) 1.6.1. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/tarteaucitronjs/wordpress-tarteaucitron-js-cookies-legislation-gdpr-plugin-1-6-multiple-stored-authenticated-cross-site-scripting-xss-vulnerabilities
https://wordpress.org/plugins/tarteaucitronjs/#developers
https://patchstack.com/database/vulnerability/tarteaucitronjs/wordpress-tarteaucitron-js-cookies-legislation-gdpr-plugin-1-6-multiple-stored-authenticated-cross-site-scripting-xss-vulnerabilities
https://wordpress.org/plugins/tarteaucitronjs/#developers

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