CVE-2026-51833
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)...
- Published
- Jul 17, 2026
- Updated
- Jul 20, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NLow · next 30 days
- Percentile
- 34.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Technical advisory and proof-of-concept for CVE-2026-51833, detailing the vulnerability, exploitation vectors, and mitigation steps for security researchers and penetration testers.
Responsible use
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