Executive brief
A vulnerability exists in the SourceCodester Class and Exam Timetabling System, a web application used for managing academic schedules. An attacker can exploit this flaw to gain unauthorized access to the underlying database without needing a username or password. This could result in the theft of sensitive school records, modification of exam schedules, or disruption of the system's availability.
Technical details
A SQL injection vulnerability exists in SourceCodester Class and Exam Timetabling System 1.0 within the '/archive5.php' file. The root cause is the improper neutralization of the 'sy' POST parameter before it is used in a SQL query. A remote, unauthenticated attacker can exploit this by sending specially crafted web requests to perform boolean-based blind or error-based SQL injection. Successful exploitation allows for unauthorized database enumeration, data extraction, and potential modification of records. A public exploit (PoC) using sqlmap has been disclosed.
Affected products
- SourceCodester Class and Exam Timetabling System 1.0
Timeline
- 2026-05-20: disclosed: Vulnerability reported on GitHub by user zzb1388
- 2026-06-08: advisory: NVD publication date