CVE-2026-9357

LOW 3.5

vBulletin Login cross site scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

8th

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.

CWE	CWE-79 CWE-94
Vendor	n/a
Product	vbulletin
Published	May 24, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / vBulletin

6.*

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365320 vuldb.com: https://vuldb.com/vuln/365320/cti vuldb.com: https://vuldb.com/submit/813052

Credits

🔍 chor4o (VulDB User) VulDB CNA Team