In vBulletin before 5.3.0, remote attackers can bypass the CVE-2016-6483 patch and conduct SSRF attacks by leveraging the behavior of the PHP parse_url function, aka VBV-17037.
https://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/4367744-vbulletin-5-3-0-connect-is-now-available
Source: Mitre, NVD
Published: 2017-04-06
Updated: 2025-04-20
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 8.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Severity: High