CVE-2022-3427: codepeople corner ad Cross-Site Request Forgery (CSRF)
Vulnerability summary
CVE-2022-3427 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in codepeople corner ad. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.5% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.0.57.
Timeline
- 15-12-2022PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
- wordfenceSource8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.06 pp
From 0.64% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (plugins.trac.wordpress.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Codepeople1 product
- corner ad≤ 1.0.56
Dwbooster1 product
- corner_ad≤ 1.0.56
Wordpress1 product
- corner-ad≤ 1.0.56 (fixed in 1.0.57)
3 vendors · 3 products
References
4 links- plugins.trac.wordpress.org/browser/corner-ad/trunk/corner-ad.php?rev=2782613ExploitThird Party Advisory
- www.wordfence.com/threat-intel/vulnerabilities/id/0a6c5e9a-754f-41c8-b27b-caa133b5070fX TransferredThird Party AdvisoryVendor Advisory