CVE Feed

    Dashboard / CVE / CVE-2026-51833

    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.

    Published:Jul 17, 2026
    Last Modified:Aug 1, 2026
    EPS:Jul 17, 2026
    EPSS Score:0.00377
    CVSS Score:7.5

    Affected Products

    Vendor
    Xenforo
    Product
    Xenforo

    Exploits

    https://github.com/dennywise/CVE-2026-51833-Public-Disclosure

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-74239 (CVSS 8.6) — XenForo before 2.3.13 contains a path traversal vulnerability in the style archive importer on Windows deploym…
    CVE-2026-73321 (CVSS 7.1) — XenForo before 2.3.13 contains an uncontrolled recursion vulnerability in the BBCode parser that allows authen…
    CVE-2026-73320 (CVSS 5.1) — XenForo before 2.3.13 contains an unauthenticated information disclosure vulnerability that allows unauthentic…
    CVE-2026-73319 (CVSS 5.1) — XenForo before 2.3.13 contains a cross-site scripting vulnerability in the dynamic redirect handler that allow…
    CVE-2026-73318 (CVSS 5.1) — XenForo before 2.3.13 contains a missing authorization vulnerability in the force-agreement controller that al…
    CVE-2026-73317 (CVSS 5.1) — XenForo before 2.3.13 contains a missing authorization vulnerability in the ACP cache-rebuild dispatcher that …
    CVE-2026-73316 (CVSS 8.7) — XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows …
    CVE-2026-73315 (CVSS 7.7) — XenForo before 2.3.13 contains a server-side request forgery vulnerability in the PayPal REST webhook handler …
    CVE-2026-73314 (CVSS 8.7) — XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that al…
    CVE-2026-73313 (CVSS 7.6) — XenForo before 2.3.13 contains a multi-factor authentication bypass vulnerability in the passkey TFA provider …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High