CVE-2026-54819 Webilia Inc. CVE debrief

Who should care

Administrators and users of the Listdom plugin, particularly those using versions up to 5.4.0, should be aware of this critical vulnerability and take necessary actions to secure their installations.

Technical summary

The CVE-2026-54819 vulnerability is an improper neutralization of special elements used in an SQL command, also known as SQL injection. This vulnerability allows attackers to inject malicious SQL code, potentially leading to unauthorized access to sensitive data. The vulnerability has been classified as critical with a CVSS score of 9.3. The affected product is Listdom, and the vulnerability affects versions from n/a through 5.4.0.

Defensive priority

high

Recommended defensive actions

• Update the Listdom plugin to a version beyond 5.4.0 immediately.
• Restrict access to the Listdom plugin to only trusted users and networks.
• Implement a web application firewall (WAF) to detect and prevent SQL injection attacks.
• Regularly review and update plugins and software to ensure the latest security patches are applied.
• Monitor plugin and system logs for suspicious activity indicative of SQL injection attempts.

Evidence notes

The information provided is based on data from official sources, including the CVE.org and NVD. The CVE record and NVD detail pages provide comprehensive information about the vulnerability, including its description, CVSS score, and affected versions.

Official resources