CVE-2020-37051

Online-Exam-System 2015 - 'feedback' SQL Injection

CVSS 8.8 HIGHEPSS 0.4%CWE-89

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

30 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the 'feed.php' endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Affected products

sunnygkp10 · Online-Exam-System

References

https://github.com/sunnygkp10/Online-Exam-System-.git https://www.exploit-db.com/exploits/48560 https://www.vulncheck.com/advisories/online-exam-system-feedback-sql-injection