CVE-2021-36887

WordPress tarteaucitron.js – Cookies legislation & GDPR plugin <= 1.5.4 - Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS)

6.1 Medium

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".

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.51%Down 0.1 points since Dec 21, 2021

What each source reports

CVE List Score used 6.1

WordPress tarteaucitron.js – Cookies legislation & GDPR plugin <= 1.5.4 - Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS)

Record: CVE-2021-36887
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
Weakness: CWE-352, CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-23463 6.1

Record: EUVD-2021-23463
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-w9q6-vv8m-4f39 No score

Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS) discovered...

Record: GHSA-w9q6-vv8m-4f39
Weakness: CWE-352
Updated: 2026-11-02

NVD 6.1

Record: CVE-2021-36887
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-79, CWE-352
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36887 is a medium vulnerability (CVSS 6.1) in Tarteaucitron Tarteaucitron.js – Cookies Legislation & Gdpr (wordpress Plugin), published December 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.