CVE-2022-4021

Description

The Permalink Manager Lite plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.2.20.1. This is due to missing or incorrect nonce validation on the extra_actions function. This makes it possible for unauthenticated attackers to change plugin settings including permalinks and site maps, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

References

Link	Tags
https://plugins.trac.wordpress.org/changeset/2818142#file34	third party advisory patch
https://www.wordfence.com/vulnerability-advisories-continued/#CVE-2022-4021	third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-4021?: CVE-2022-4021 has been scored as a high severity vulnerability.
How to fix CVE-2022-4021?: To fix CVE-2022-4021, 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-2022-4021 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-4021 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-4021?: CVE-2022-4021 affects mbis Permalink Manager Lite.

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Description

Category

CWE-352 – Cross-Site Request Forgery (CSRF)

References

Frequently Asked Questions