CVE-2021-36132

Public Exploit

Description

An issue was discovered in the FileImporter extension in MediaWiki through 1.36. For certain relaxed configurations of the $wgFileImporterRequiredRight variable, it might not validate all appropriate user rights, thus allowing a user with insufficient rights to perform operations (specifically file uploads) that they should not be allowed to perform.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T280590 patch vendor advisory exploit
https://gerrit.wikimedia.org/r/q/I8ff2a67abd2c118a3469e4410eac2a451bfa76c3 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-36132?
CVE-2021-36132 has been scored as a high severity vulnerability.
How to fix CVE-2021-36132?
To fix CVE-2021-36132, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36132 being actively exploited in the wild?
It is possible that CVE-2021-36132 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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