Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column to upload the title and content containing malicious code to achieve the purpose of obtaining the administrator cookie, thereby achieving other malicious operations.

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.