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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Xenforo
  • Xenforo

No data.

No data.

References
Link Providers
https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md cve-icon cve-icon
https://xenforo.com cve-icon
History

Mon, 20 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-918
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 17 Jul 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Xenforo
Xenforo xenforo
Vendors & Products Xenforo
Xenforo xenforo

Fri, 17 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-17T00:00:00.000Z

Updated: 2026-07-20T18:02:55.948Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-51833

cve-icon Vulnrichment

Updated: 2026-07-20T18:02:26.380Z

cve-icon NVD

No data.

cve-icon Redhat

No data.