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Fencer Vulns
critical 9.8

CVE-2019-18344 json

Sourcecodester Online Grading System 1.0 is vulnerable to unauthenticated SQL injection and can allow remote attackers to execute arbitrary…

published 2019-10-23 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8132

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Sourcecodester Online Grading System 1.0 is vulnerable to unauthenticated SQL injection and can allow remote attackers to execute arbitrary SQL commands via the student, instructor, department, room, class, or user page (id or classid parameter).

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sevenlayers.com https://www.sevenlayers.com/index.php/262-online-grading-system-1-0-sqli referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.