CVE-2020-35626

Name: CVE-2020-35626
Creator: NVD / NIST
Published: 2020-12-21T23:15:12.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2020-35626 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in the PushToWatch extension for MediaWiki through 1.35.1. The primary form did not implement an anti-CSRF token and therefore was completely vulnerable to CSRF attacks against onSkinAddFooterLinks in PushToWatch.php.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

An issue was discovered in the PushToWatch extension for MediaWiki through 1.35.1. The primary form did not implement an anti-CSRF token and therefore was completely vulnerable to CSRF attacks against onSkinAddFooterLinks in PushToWatch.php.

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

0.51%

39.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.35.1

References

https://gerrit.wikimedia.org/r/q/14dc79b1f44c2a1ca6b1192284206c7b8626fb57Patch, Third Party Advisory
https://phabricator.wikimedia.org/T268641Third Party Advisory
https://gerrit.wikimedia.org/r/q/14dc79b1f44c2a1ca6b1192284206c7b8626fb57Patch, Third Party Advisory
https://phabricator.wikimedia.org/T268641Third Party Advisory

Timeline

Published: Dec 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35626?

How severe is CVE-2020-35626?

CVE-2020-35626 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35626?

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-2020-35626?

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

Scan your code now

Source: NVD / NIST