CVE-2022-29547

Name: CVE-2022-29547
Creator: NVD / NIST
Published: 2022-04-21T01:15:07.087+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2022-29547 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The CreateRedirect extension before 2022-04-14 for MediaWiki does not properly check whether the user has permissions to edit the target page. This could lead to an unauthorised (or blocked) user being able to edit a page.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

The CreateRedirect extension before 2022-04-14 for MediaWiki does not properly check whether the user has permissions to edit the target page. This could lead to an unauthorised (or blocked) user being able to edit a page.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Mediawiki	Createredirect	< 2022-04-14

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CreateRedirect/+/780567Vendor Advisory
https://phabricator.miraheze.org/T9061Issue Tracking, Third Party Advisory
https://phabricator.wikimedia.org/T306174Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CreateRedirect/+/780567Vendor Advisory
https://phabricator.miraheze.org/T9061Issue Tracking, Third Party Advisory
https://phabricator.wikimedia.org/T306174Vendor Advisory

Timeline

Published: Apr 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29547?

How severe is CVE-2022-29547?

CVE-2022-29547 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29547?

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-2022-29547?

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

Scan your code now

Source: NVD / NIST