CVE-2026-9357
vBulletin Login cross site scripting
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.1EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
24 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
n/a · vBulletin