What is CVE-2026-120342 and how does it affect PHP projects?
CVE-2026-120342 has been identified as a security flaw affecting mathurvishal CloudClassroom-PHP-Project CVE-2026-58946: Vulnerabilidad Crítica. Specifically, the issue resides in an unknown function within the viewquery.php file.
The flaw is triggered through the manipulation of the eid argument, which directly results in a SQL injection vulnerability CVE-2026-58957: Vulnerabilidad Crítica. Because this product implements a rolling release delivery model, specific version numbers for affected or updated releases remain unavailable.
Who is affected and why is this SQL injection critical?
This security defect carries a high severity rating with a CVSS 3.1 base score of 7.3, featuring vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVE-2026-59044: Vulnerabilidad Use-After-Free. Attackers can execute this attack entirely remotely without requiring prior authentication or user interaction.
Public exploits for this flaw are currently available [[reference:3]], meaning malicious actors can actively leverage the unvalidated input in viewquery.php to compromise underlying databases. Early attempts to contact the vendor regarding this disclosure yielded no response or patch.
How can administrators mitigate this vulnerability?
Securing installations against this vulnerability requires immediate manual intervention due to the lack of an official vendor patch.
Administrators should follow these steps to secure their PHP environments:
- Audit the viewquery.php file and locate the vulnerable handling of the eid argument.
- Replace dynamic SQL string concatenations with parameterized prepared statements using PDO or MySQLi.
- Restrict external network access to the application directory using web server configurations.
- Monitor server logs continuously for suspicious patterns targeting database query parameters.