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CVE-2026-4973

MEDIUM CVSS 4.0: 5.1
Updated Mar 27, 2026
PHP
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-94 (Code Injection), CWE-79 (Cross-Site Scripting (XSS))
Vendor PHP
Public PoC No

A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quiz_question results in cross site scripting.

It is possible to initiate the attack remotely. The exploit is now public and may be used.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0