CVE-2015-5687: Anchorcms Anchor CMS

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in a cookie.

Affected products

• Anchorcms Anchor CMS: version 0.9.1 only; version 0.9.2 only; version 0.9.3 only

Published 2015-10-05. Last modified 2026-06-17.