Cross-site request forgery (CSRF) vulnerability in the save_main operation in the ad_perms section in admin.php in MKPortal allows remote attackers to modify privilege settings, as demonstrated using a getURL of admin.php within a .swf file contained in an IFRAME element, aka the "All Guests are Admin" attack.
CVSS Severity (version 2.0):
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
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20070104 MkPortal "All Guests are Admin" Exploit
Vulnerable software and versions