CVE-2026-51833

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md

References

• https://xenforo.com
• https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md

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