vBulletin contains a flaw that may allow a malicious user to inject and execute arbitrary PHP code, because nested input passed to the "template" parameter in "misc.php" isn't properly verified and can be exploited. The issue is triggered when the "Add Template Name in HTML Comments" option is enabled. It is possible that the flaw may allow the injection and execution of arbitrary PHP code resulting in a loss of confidentiality and integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Confidentiality,
Loss of Integrity
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
OSVDB:
Web Related
Solution
Upgrade to version 3.0.7 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround: Disable the "Add Template Name in HTML Comments" option
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