CVE-2026-14773 Overview
CVE-2026-14773 is a SQL injection vulnerability affecting itsourcecode Hospital Management System 1.0. The flaw resides in the /payment.php script, where the patientid parameter is passed to the backend database without proper sanitization. Attackers can manipulate this parameter to inject arbitrary SQL statements against the application database. The vulnerability is remotely exploitable and requires only low-privilege authentication. A public exploit is available, increasing the risk of opportunistic abuse against exposed installations. The issue is tracked under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).
Critical Impact
Authenticated remote attackers can inject SQL through the patientid parameter in /payment.php, potentially reading, modifying, or deleting sensitive patient and payment records.
Affected Products
- itsourcecode Hospital Management System 1.0
- /payment.php endpoint
- Deployments exposing the payment module to untrusted networks
Discovery Timeline
- 2026-07-05 - CVE-2026-14773 published to NVD
- 2026-07-06 - Last updated in NVD database
Technical Details for CVE-2026-14773
Vulnerability Analysis
The vulnerability exists in the payment processing component of itsourcecode Hospital Management System 1.0. The /payment.php script accepts a patientid argument from the client and concatenates it into a SQL query executed against the backend database. Because the argument is not validated, filtered, or bound as a parameter, attacker-supplied SQL syntax alters the intended query structure. This is a classic in-band SQL injection scenario where the vulnerable parameter directly influences query execution.
Successful exploitation can expose patient records, billing data, and administrative credentials stored in the same database. Depending on database privileges, attackers may also modify records or pivot to further access. The disclosure is documented in VulDB CVE-2026-14773 and referenced in a public GitHub Issue Discussion.
Root Cause
The root cause is missing input validation and lack of parameterized queries in the /payment.php handler. The patientid value is trusted as a numeric identifier but is used in raw string concatenation to build the SQL statement. Developer reliance on client-side controls, rather than server-side prepared statements, allows the injection.
Attack Vector
Exploitation is performed over the network against the web application. The attacker submits a crafted request with malicious SQL payloads in the patientid parameter to /payment.php. Because a public proof-of-concept exists, the attack requires minimal skill. The attacker must hold low-level application credentials to reach the payment page.
No verified exploit code is reproduced here. Refer to the VulDB Vulnerability #376363 advisory for technical write-up.
Detection Methods for CVE-2026-14773
Indicators of Compromise
- Requests to /payment.php containing SQL metacharacters such as single quotes, UNION SELECT, --, OR 1=1, or SLEEP( in the patientid parameter
- Unusual database error messages returned by the application in HTTP responses
- Sudden spikes in query duration or database CPU tied to the payment module
- Web server logs showing repeated patientid values with encoded payloads (%27, %20UNION%20)
Detection Strategies
- Deploy web application firewall (WAF) signatures for SQL injection targeting the patientid argument
- Enable database query logging and alert on statements referencing information_schema originating from the application user
- Correlate authenticated session activity with anomalous parameter payloads to identify low-privilege abuse
Monitoring Recommendations
- Monitor HTTP access logs for non-numeric values submitted to patientid
- Track outbound database traffic volume from the web tier for exfiltration patterns
- Alert on new administrative accounts, modified patient records, or bulk row reads from the payment tables
How to Mitigate CVE-2026-14773
Immediate Actions Required
- Restrict network access to the Hospital Management System until a patch is applied
- Rotate all application and database credentials that may have been exposed
- Review database audit logs for evidence of prior injection attempts against /payment.php
- Enforce input validation to reject non-numeric patientid values at the web tier
Patch Information
At time of publication, itsourcecode has not issued a formal advisory or patch referenced in the NVD entry. Administrators should monitor the IT Source Code Overview site and the VulDB Submission #850644 record for updates. In the absence of a vendor fix, apply the code-level workarounds described below.
Workarounds
- Rewrite the /payment.php query logic to use prepared statements or parameterized queries with bound variables
- Cast patientid to an integer server-side before use in any SQL statement
- Apply least-privilege permissions to the database account used by the web application, removing DROP, ALTER, and cross-database read rights
- Place the application behind a WAF configured with SQL injection rulesets until source-level remediation is complete
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
