CSRF in Mbis Permalink Manager Lite
CVE-2022-4021
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/1718f2eb-6235-498f-8c1e-402c1…
- plugins.trac.wordpress.org/changeset/2818142 (Patch, Third Party Advisory)
- www.wordfence.com/vulnerability-advisories-continued/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-4021?
- CVE-2022-4021 is a high-severity vulnerability in Mbis Permalink Manager Lite, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2022-11-16.
- How severe is CVE-2022-4021?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-4021 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.