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Fencer Intel
medium 6.1

CVE-2021-36887 json

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

published 4y ago modified 4mo ago also EUVD-2021-23463

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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".

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • patchstack.com 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-xss referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Tarteaucitron tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin)

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.