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Vulnerability record · CVE-2016-6483 · published 2 September 2016

CVE-2016-6483: Vbulletin server-side request forgery (ssrf) vulnerability

VVbulletin · Vbulletin

The media-file upload feature in vBulletin before 3.8.7 Patch Level 6, 3.8.8 before Patch Level 2, 3.8.9 before Patch Level 1, 4.x before 4.2.2 Patch Level 6, 4.2.3 before Patch Level 2, 5.x before 5.2.0 Patch Level 3, 5.2.1 before Patch Level 1, and 5.2.2 before Patch Level 1 allows remote attackers to conduct SSRF attacks via a crafted URL that results in a Redirection HTTP status code.

8.6 CVSS 3.0 High EPSS 12% · top 4.0% CWE-918 · Server-side request forgery (SSRF)
8.6CVSS 3.0 base score, v2 5.0
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The media-file upload feature in vBulletin before 3.8.7 Patch Level 6, 3.8.8 before Patch Level 2, 3.8.9 before Patch Level 1, 4.x before 4.2.2 Patch Level 6, 4.2.3 before Patch Level 2, 5.x before 5.2.0 Patch Level 3, 5.2.1 before Patch Level 1, and 5.2.2 before Patch Level 1 allows remote attackers to conduct SSRF attacks via a crafted URL that results in a Redirection HTTP status code.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://legalhackers.com/advisories/vBulletin-SSRF-Vulnerability-Exploit.txt ExploitThird Party Advisory
http://www.securityfocus.com/bid/92350
http://www.securitytracker.com/id/1036553
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349548-security-patch-vbulletin Patch
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349549-security-patch-vbulletin Patch
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349551-security-patch-vbulletin Patch
https://www.exploit-db.com/exploits/40225/
http://legalhackers.com/advisories/vBulletin-SSRF-Vulnerability-Exploit.txt ExploitThird Party Advisory
http://www.securityfocus.com/bid/92350
http://www.securitytracker.com/id/1036553
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349548-security-patch-vbulletin Patch
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349549-security-patch-vbulletin Patch
http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4349551-security-patch-vbulletin Patch
https://www.exploit-db.com/exploits/40225/

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Source: NIST National Vulnerability Database (record CVE-2016-6483), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.