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.
https://github.com/anchorcms/anchor-cms/pull/904
http://seclists.org/fulldisclosure/2015/Aug/83
http://seclists.org/fulldisclosure/2015/Aug/76
Source: Mitre, NVD
Published: 2015-10-05
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00703