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.
CVE-2020-37051
Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-01-31. NVD baseline CVSS 8.2; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.2
- EG Score
- 8.2(medium)
- EPSS
- 28.8%
- KEV
- Not listed
Published
January 30, 2026
Last Modified
March 12, 2026
References (3)
- disclosure@vulncheckhttps://github.com/sunnygkp10/Online-Exam-System-.git
- disclosure@vulncheckhttps://www.exploit-db.com/exploits/48560
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/online-exam-system-feedback-sql-injection
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-16 16:59 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-08 01:37 UTCEG score recompute
- 2026-06-08 01:37 UTCGHSA enrichment
- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-29 14:58 UTCEG score recompute
- 2026-05-29 14:58 UTCGHSA enrichment
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Frequently asked(5)
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Dependency Blast Radius
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