Description
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.
References (3)
Core 3
Core References
Signature, Permissions Required signature
permissions-required
VDB-365320 | CTI Indicators (IOB, IOC, TTP)
https://vuldb.com/vuln/365320/cti
Third Party Advisory third-party-advisory
Submit #813052 | Cross Site Scripting no fórum vBulletin 6.xx Vbulletin 6.x.x Cross Site Scripting
https://vuldb.com/submit/813052
Scores
CVSS v3
3.5
EPSS
0.0024
EPSS Percentile
14.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
CWE-94
Status
published
Products (1)
None/vBulletin
6.*
Published
May 24, 2026
Tracked Since
May 24, 2026