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VULNERABILITIES

CVE-2026-51833 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:2.7 LOWVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md CISA-ADPExploitTechnical Description
https://github.com/dennywise/CVE-2026-51833-Public-Disclosure/blob/main/CVE-2026-51833.md [email protected]ExploitTechnical Description
https://xenforo.com [email protected]Vendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)CISA-ADP

Affected Products

ProductVersions
Xenforo
<= 2.3.6 (semver)

CPE

  • cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-51833
NVD Published Date:
Jul 17, 2026
NVD Last Modified:
Jul 23, 2026
Source:
[email protected]
CVE-2026-51833 Details - Not Deferred