Summary
CVE-2026-61969 is a critical, unauthenticated SQL Injection vulnerability in the Listdom WordPress plugin (developed by Webilia Inc.), affecting all versions up to and including 5.6.0. The flaw allows an attacker to inject malicious SQL through the plugin without needing any credentials or user interaction, enabling direct interaction with the site’s database. It carries a CVSS v3.1 base score of 9.3 (Critical).
Technical details
- Root cause: Improper neutralization of special elements used in an SQL command (CWE-89) within the Listdom plugin’s code, allowing attacker-controlled input to reach a SQL query without adequate sanitization.
- Trigger conditions: No authentication or user interaction is required; the vulnerable functionality is reachable by any unauthenticated visitor to a site running the affected plugin.
- Attack vector: Network — the vulnerability can be exploited remotely over HTTP(S) against any internet-exposed WordPress site running the vulnerable plugin version.
- Impact: Attackers can execute arbitrary SQL queries, potentially exfiltrating sensitive database contents (e.g., user credentials, private data). The scope is rated as Changed, with high confidentiality impact and low availability impact.
Affected software
- Listdom WordPress plugin (Webilia Inc.), all versions up to and including 5.6.0.
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 the Listdom plugin to version 5.7.0 or later, which addresses this vulnerability.
- If immediate patching is not possible: Restrict or monitor public access to the plugin’s endpoints, deploy a web application firewall rule to detect and block SQL injection patterns, and review database and access logs for signs of exploitation attempts.

