CVE-2021-36129

Name: CVE-2021-36129
Creator: NVD / NIST
Published: 2021-07-02T13:15:07.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-36129 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An issue was discovered in the Translate extension in MediaWiki through 1.36. The Aggregategroups Action API module does not validate the parameter for aggregategroup when action=remove is set, thus allowing users with the translate-manage right to silently delete various groups' metadata.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Translate extension in MediaWiki through 1.36. The Aggregategroups Action API module does not validate the parameter for aggregategroup when action=remove is set, thus allowing users with the translate-manage right to silently delete various groups' metadata.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.60%

44.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.36

References

https://gerrit.wikimedia.org/r/q/I3619a7e88c2eb979babb7b027d4fdbfabc0af792Patch, Vendor Advisory
https://phabricator.wikimedia.org/T282932Exploit, Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/q/I3619a7e88c2eb979babb7b027d4fdbfabc0af792Patch, Vendor Advisory
https://phabricator.wikimedia.org/T282932Exploit, Patch, Vendor Advisory

Timeline

Published: Jul 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36129?

How severe is CVE-2021-36129?

CVE-2021-36129 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36129?

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-2021-36129?

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

Scan your code now

Source: NVD / NIST