CVE-2026-11512: itsourcecode Hospital Management System billing.php cross site scripting
A security vulnerability has been detected in itsourcecode Hospital Management System 1.0. This issue affects some unknown processing of the file /billing.php. The manipulation of the argument patientid leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
itsourcecode Hospital Management System 1.0 (billing.php)from your environment.If the billing.php page/functionality is not required, remove or disable billing.php from the webserver to eliminate the vulnerable endpoint.
- Configuration
In billing.php, perform strict server-side validation of the patientid parameter (allow only the expected character set/format, e.g. digits) and apply proper HTML output encoding/escaping wherever patientid is rendered to prevent XSS.
itsourcecode Hospital Management System 1.0 (billing.php) patientid input handling = validate and output-encode/sanitize - Compensating control
Deploy a Web Application Firewall (WAF) or application-layer filtering to block typical XSS payloads targeting billing.php (and specifically the patientid parameter); alternatively restrict access to billing.php to authenticated/authorized IP ranges or network segments until the vulnerability is fixed.
- Operational
Assume possible exploitation (the exploit is publicly disclosed): review webserver and application logs for malicious requests to billing.php and patientid, inspect affected systems for indicators of compromise, and invalidate/rotate any session or authentication tokens that may have been exposed.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-11512?
The severity of CVE-2026-11512 is medium, with a score of 4.3.
How do I fix CVE-2026-11512?
To fix CVE-2026-11512, sanitize all user inputs in the billing.php file to mitigate cross-site scripting vulnerabilities.
What type of attack can be performed with CVE-2026-11512?
CVE-2026-11512 allows for cross-site scripting attacks that can be executed remotely.
Which file is affected by CVE-2026-11512?
CVE-2026-11512 specifically affects the /billing.php file in the itsourcecode Hospital Management System.
What is the impact of exploiting CVE-2026-11512?
Exploiting CVE-2026-11512 can lead to the execution of arbitrary scripts in the context of the victim's browser.