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CVE-2026-59514 – Unauthenticated SQL Injection – BuddyBoss Platform ≤ 3.0.5

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Summary

CVE-2026-59514 is a critical unauthenticated SQL injection vulnerability in the BuddyBoss Platform WordPress plugin, affecting all versions up to and including 3.0.5. With a CVSS v3.1 score of 9.3 (Critical), the flaw allows any remote, unauthenticated attacker to inject malicious SQL commands via network-accessible endpoints and extract sensitive data directly from the underlying WordPress database. A patched version (3.1.0) was released on July 2, 2026.

Technical details

  • Root cause: Insufficient sanitization of user-supplied input in SQL query construction (CWE-89: Improper Neutralization of Special Elements used in an SQL Command), specifically in the plugin’s member search query handling.
  • Trigger conditions: No authentication, account privileges, or user interaction is required to trigger the injection — any unauthenticated HTTP/HTTPS request to the vulnerable endpoint is sufficient.
  • Attack vector: Network-based (AV:N), with Low complexity (AC:L), meaning exploitation requires no special network position, preconditions, or prior knowledge beyond awareness of the vulnerable endpoint.
  • Impact: The Changed Scope (S:C) metric indicates the vulnerability can reach beyond the BuddyBoss application boundary to the underlying database engine. Confidentiality impact is High (C:H), enabling full extraction of the WordPress database — including user credentials, session data, personally identifiable information (PII), and all community and membership content. Integrity impact is None (I:N) and Availability impact is Low (A:L), indicating the primary risk is data exfiltration rather than modification or disruption.

Affected software

  • BuddyBoss Platform WordPress plugin, all versions ≤ 3.0.5

Severity

CVSS v3.1 base score: 9.3 (Critical)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Mitigation and recommended actions

  • Immediate: Update BuddyBoss Platform to version 3.1.0 or later. Version 3.1.0 (released July 2, 2026) explicitly patches the security vulnerability in member search sanitization. The current latest release is 3.1.2 (July 15, 2026).
  • If immediate patching is not feasible, apply WAF rules or network-layer controls to restrict public access to member search and community query endpoints until the update can be deployed.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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