CVE-2021-36887

Name: CVE-2021-36887
Creator: NVD / NIST
Published: 2021-12-20T21:15:08.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2021-36887 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS) discovered in tarteaucitron.js – Cookies legislation & GDPR WordPress plugin (versions <= 1.5.4), vulnerable parameters "tarteaucitronEmail" and "tarteaucitronPass".. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS) discovered in tarteaucitron.js – Cookies legislation & GDPR WordPress plugin (versions <= 1.5.4), vulnerable parameters "tarteaucitronEmail" and "tarteaucitronPass".

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tarteaucitron.Js - Cookies Legislation \& Gdpr Project	Tarteaucitron.Js - Cookies Legislation \& Gdpr	<= 1.5.4

References

https://patchstack.com/database/vulnerability/tarteaucitronjs/wordpress-tarteaucitron-js-cookies-legislation-gdpr-plugin-1-5-4-cross-site-request-forgery-csrf-vulnerability-leading-to-cross-site-scripting-xssExploit, Third Party Advisory
https://wordpress.org/plugins/tarteaucitronjs/#developersRelease Notes, Third Party Advisory
https://patchstack.com/database/vulnerability/tarteaucitronjs/wordpress-tarteaucitron-js-cookies-legislation-gdpr-plugin-1-5-4-cross-site-request-forgery-csrf-vulnerability-leading-to-cross-site-scripting-xssExploit, Third Party Advisory
https://wordpress.org/plugins/tarteaucitronjs/#developersRelease Notes, Third Party Advisory

Timeline

Published: Dec 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36887?

How severe is CVE-2021-36887?

CVE-2021-36887 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36887?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36887?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST