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CVE-2022-4021

19
FAUCET Score

CVE-2022-4021 describes a Cross-Site Request Forgery (CSRF) vulnerability in the Permalink Manager Lite plugin for WordPress, affecting versions up to and including 2.2.20.1. This flaw stems from insufficient nonce validation in the extra_actions function. An unauthenticated attacker could exploit this by tricking a site administrator into clicking a malicious link, leading to unauthorized changes in plugin settings such as permalinks and sitemaps. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with low attack complexity requiring user interaction, resulting in a potential impact on integrity but not confidentiality or availability. Its EPSS score is very low, suggesting a low probability of exploitation. Currently, there is no evidence of active exploitation, nor are there any known public exploit codes available in Metasploit, Nuclei, or ExploitDB. The CVE has received minimal community discussion and media coverage, indicating a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.20.2CPE matchmatch criteria
cpe:2.3:a:permalink_manager_lite_project:permalink_manager_lite:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 36th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/2818142
PatchThird Party Advisory
wordfence.com / threat-intel/vulnerabilities/id/1718f2eb-6235-498f-8c1e-402c1caf7d02
wordfence.com / vulnerability-advisories-continued
Third Party Advisory