The vulnerability CVE-2026-10251 affects itsourcecode Online House Rental System 1.0. It is caused by improper sanitization of the Username argument in the /ajax.php?action=login endpoint, allowing an attacker to perform SQL injection. This can be exploited remotely without any privileges or user interaction. The CVSS 4.0 base score is 6.9 (medium severity), reflecting network attack vector, low complexity, no privileges required, no user interaction, and low to limited impact on confidentiality, integrity, and availability. No official patch or vendor remediation is currently documented.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL commands on the backend database via the Username parameter. This may lead to unauthorized data access or modification. The impact is rated medium due to limited confidentiality, integrity, and availability impact as per the CVSS vector. There is no indication of active exploitation in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, it is recommended to implement input validation and parameterized queries on the Username parameter to mitigate SQL injection risks. Monitor for updates from the vendor regarding patches or official mitigations.