CVE-2026-112093 in online-clinic-management-system
Summary
by MITRE • 10/19/2026
A vulnerability has been found in subhajitkhan online-clinic-management-system up to e9ee77a8827a1446220fa07ee693dc4d9a29a578. The impacted element is an unknown function of the file feedback.php. The manipulation of the argument msg leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 10/19/2026
The online-clinic-management-system developed by subhajitkhan contains a critical security flaw within its feedback module that exposes users to cross-site scripting attacks. This vulnerability resides in an unspecified function within the feedback.php file, where user-supplied input is processed without adequate sanitization or validation. Specifically, the msg argument accepted by this endpoint allows for the injection of malicious script payloads. Because the application fails to properly encode or filter special characters before rendering them back to the browser, attackers can execute arbitrary JavaScript code in the context of a victim's session. This type of flaw is classified under CWE-79, which covers Improper Neutralization of Input During Web Page Generation known as Cross-site Scripting. The lack of input validation represents a fundamental failure in secure coding practices, allowing client-side attacks to bypass standard browser security policies that are designed to prevent scripts from executing on domains other than the one serving the page.
The operational impact of this vulnerability is significant due to its remote exploitability and public disclosure status. Since the attack can be initiated remotely by any internet user with minimal technical effort, it poses a direct threat to patient privacy and system integrity within the clinic management environment. Successful exploitation allows an attacker to steal session cookies, hijack administrative accounts, deface web pages, or redirect users to malicious sites designed for phishing credential harvesting. The fact that continuous delivery with rolling releases is employed means there are no discrete version numbers to track which specific builds contain the fix versus those that do not. This complicates vulnerability management efforts as administrators cannot rely on traditional patching cycles based on version upgrades. Instead, they must monitor source code repositories or commit hashes for remediation updates, creating a window of exposure where systems remain vulnerable until the developer applies and deploys a corrective measure.
The public disclosure of this exploit further elevates the risk profile, as it enables less sophisticated threat actors to leverage existing proof-of-concept codes against unpatched instances. Although the project maintainers were notified early via an issue report, their lack of response indicates potential resource constraints or prioritization issues that leave users unprotected for extended periods. To mitigate this risk in the interim, administrators should implement web application firewall rules that detect and block common cross-site scripting patterns within HTTP requests targeting feedback.php. Additionally, enforcing strict Content Security Policy headers can limit the execution context of injected scripts even if they bypass input validation. Long-term resolution requires the developer to sanitize all user inputs using allow-listing techniques rather than deny-listing, ensuring that only expected data formats are processed by the backend logic. Until a fixed version is released through their rolling release pipeline, organizations relying on this software should consider isolating it from direct internet access or deploying compensatory controls to neutralize the impact of potential exploitation attempts.