CVE-2022-3427: 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_

high Affects corner-ad (WordPress plugin). Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

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_

Package
corner-ad (WordPress plugin) WordPress
Affected versions
<=1.0.56
Fixed in
no fix recorded
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (53.0th percentile)
Published
2022-12-15
Source
nvd

References

CWE-352
NVD recordcorner-ad (WordPress plugin) advisories

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# then
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pipx install phpwarden   &&   phpwarden wordpress /var/www/html

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