EUVD-2026-31572
GHSA-8rjw-7777-4jwx
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionNVD
A vulnerability was found in vBulletin 6.x. This impacts an unknown function of the component Login. Performing a manipulation results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. VulDB is withholding an extended redistribution of exploit details to prevent simplified exploitation. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Stored or reflected cross-site scripting in vBulletin 6.x login component allows authenticated users with low privileges to inject malicious scripts that execute when other users interact with the manipulated login function. Public proof-of-concept exists (CVSS E:P) but detailed exploitation steps are being withheld by VulDB. …
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External POC / Exploit Code
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