CVE-2026-51833

Xenforo 2.3.8 is vulnerable to SSRF

High · published July 17, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

Xenforo 2.3.8 is vulnerable to SSRF. Attackers that have administrator privileges or are able to add/save RSS feeds can enumerate internal services (ports) or expose the original IP address of the server.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00409 · 34.0th percentile
Published
2026-07-17T00:00Z
EPSS history
Timeline
  • 17 JUL 00:00Z
    Xenforo 2.3.8 is vulnerable to SSRF
    cvelistv5