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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) or expose the original IP address of the server.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:111491cd7a7f4d06e4caaa314ed63787c020884ec290d542e0e155188f43753a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/adp/0/references/0
{"url":"https://xenforo.com"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:11bd9888e0d296e8e89b9b1816e2e93f76345ef648f3046f8fd46a4351913482 · sha256:526f8a24e417d2f1… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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