CVE-2022-3427

Name: CVE-2022-3427
Creator: NVD / NIST
Published: 2022-12-15T19:15:21.947+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2022-3427 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Corner Ad plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.56. This is due to missing or incorrect nonce validation on its corner_ad_settings_page function. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

The Corner Ad plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.56. This is due to missing or incorrect nonce validation on its corner_ad_settings_page function. This makes it possible for unauthenticated attackers to trigger the deletion of ads via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.65%

46.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Dwbooster	Corner Ad	<= 1.0.56

References

https://plugins.trac.wordpress.org/browser/corner-ad/trunk/corner-ad.php?rev=2782613#L240Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2765630%40corner-ad%2Ftrunk&old=2719671%40corner-ad%2Ftrunk&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/0a6c5e9a-754f-41c8-b27b-caa133b5070f?source=cve
https://plugins.trac.wordpress.org/browser/corner-ad/trunk/corner-ad.php?rev=2782613#L240Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2765630%40corner-ad%2Ftrunk&old=2719671%40corner-ad%2Ftrunk&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/0a6c5e9a-754f-41c8-b27b-caa133b5070fThird Party Advisory

Timeline

Published: Dec 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3427?

How severe is CVE-2022-3427?

CVE-2022-3427 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3427?

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-2022-3427?

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

Scan your code now

Source: NVD / NIST