CVE Catalog

CVE-2026-51833

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.38%

30th percentile - higher than 30% of all known CVEs

Summary

SSRF vulnerability in Xenforo 2.3.8 allows an attacker with admin privileges or RSS feed management to scan internal services and expose the server's original IP address.

Risk Assessment

Attack can enable reconnaissance of internal network infrastructure and bypass perimeter security.

Recommendation

Update Xenforo to the latest version. Restrict RSS feed management privileges to trusted users only.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS