CVE-2026-11512
Description
A reflected cross-site scripting vulnerability in itsourcecode Hospital Management System 1.0's /billing.php allows remote attackers to inject arbitrary JavaScript.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
A reflected cross-site scripting vulnerability in itsourcecode Hospital Management System 1.0's /billing.php allows remote attackers to inject arbitrary JavaScript.
Vulnerability
A reflected cross-site scripting (XSS) vulnerability exists in the itsourcecode Hospital Management System version 1.0. The vulnerability is located in the /billing.php file and is triggered by manipulating the patientid URL parameter. User-supplied input is directly reflected in the page output without proper sanitization, allowing for the injection of arbitrary JavaScript code [2].
Exploitation
An attacker can exploit this vulnerability remotely without requiring authentication. The attack involves tricking a victim into visiting a specially crafted URL that includes malicious JavaScript code within the patientid parameter of the /billing.php script. For example, a URL like http://[target]/billing.php?patientid= would demonstrate the vulnerability [2].
Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary JavaScript code within the context of the victim's browser session. This can lead to various malicious outcomes, including session hijacking, performing unauthorized actions on behalf of the user, data theft, and potentially malware distribution [2].
Mitigation
Not yet disclosed in the available references. Recommended remediation steps include input validation, output encoding (e.g., using htmlspecialchars()), and implementing security headers like Content-Security-Policy [2]. No specific patched version or release date has been provided.
AI Insight generated on Jun 8, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1- Range: = 1.0
Patches
0No patches discovered yet.
Vulnerability mechanics
Root cause
"Unsanitized user input in URL parameter directly reflected in page output [ref_id=1]."
Attack vector
The vulnerability exists in the /billing.php component where user-supplied input through the 'patientid' URL parameter is directly reflected in the page output without proper sanitization [ref_id=1]. This allows attackers to inject arbitrary JavaScript code that executes within the context of the victim's browser session [ref_id=1]. The vulnerability requires no authentication and can be exploited remotely by tricking a user into visiting a maliciously crafted URL [ref_id=1]. An example payload is `http://[target]/billing.php?patientid=<script>alert(1)</script>` [ref_id=1].
Affected code
The vulnerability is located in the /billing.php file, specifically concerning the manipulation of the 'patientid' parameter [ref_id=1].
What the fix does
The advisory recommends input validation by rejecting special characters and using an allow-list approach, as well as output encoding using functions like `htmlspecialchars()` or `htmlentities()` [ref_id=1]. Additionally, implementing security headers such as Content-Security-Policy and X-XSS-Protection is suggested [ref_id=1]. Regular security testing is also advised [ref_id=1]. No specific patch details are provided.
Preconditions
- inputThe 'patientid' URL parameter must be controllable by an attacker.
- networkThe attacker can send network requests to the vulnerable server.
- authNo authentication is required to exploit this vulnerability.
Reproduction
Visit URL: http://[target]/billing.php?patientid=<script>alert(1)</script> Observe JavaScript execution
Generated on Jun 8, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
6News mentions
1- Itsourcecode Hospital Management System: Three SQLi and XSS Flaws DisclosedVypr Intelligence · Jun 8, 2026