Summary
vBulletin is prone to multiple cross-site scripting vulnerabilities because it fails to properly sanitize user-supplied input.
An attacker may leverage these issues to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks.
vBulletin versions prior to 4.0.2 PL4 are vulnerable.
Solution
The vendor released updates to address these issues. Please see the references for more information.
References
Severity
Classification
-
CVSS Base Score: 4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
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