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Fencer Vulns
critical 9.8

CVE-2021-41660 json

SQL injection vulnerability in Sourcecodester Patient Appointment Scheduler System v1 by oretnom23, allows attackers to execute arbitrary S…

published 2022-01-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28672

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

SQL injection vulnerability in Sourcecodester Patient Appointment Scheduler System v1 by oretnom23, allows attackers to execute arbitrary SQL commands via the username and password fields to login.php.

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-06-092421 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.