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CVE-2026-9357

Low

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.

SeverityLow
CVSS3.5
Exploit probability—
ProductVbulletin
PublishedMay 24, 2026
First seenMay 24, 2026
Weakness typeCWE-79Cross-site scripting (XSS)CWE-94Code injection

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
vbulletin vbulletin6.*—

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