CVE-2026-9236

The CM Ad Changer – A simple tool to control and optimize your site's banners plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.7. This is due to missing or incorrect nonce validation on the cmac_campaigns_action function. This makes it possible for unauthenticated attackers to permanently delete arbitrary advertising campaigns, including their associated banner records and uploaded files via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/cm-ad-changer/tags/2.0.7/backend/cm-ad-changer-backend.php#L167
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/cm-ad-changer/tags/2.0.7/backend/cm-ad-changer-backend.php#L177
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/cm-ad-changer/tags/2.0.7/shared/classes/cmac-data.php#L363
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3544026%40cm-ad-changer&new=3544026%40cm-ad-changer&sfp_email=&sfph_mail=
• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/a335c917-3fff-4079-bb38-64cd665c5c38?source=cve