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Fencer Vulns
medium 6.3

CVE-2023-3599 json

SourceCodester Best Fee Management System Add User admin_class.php save_user access control

published 2023-07-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44248

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

A vulnerability was found in SourceCodester Best Fee Management System 1.0. It has been rated as critical. Affected by this issue is the function save_user of the file admin_class.php of the component Add User Handler. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-233450 is the identifier assigned to this vulnerability.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/movonow/demo/blob/main/click_fees.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • SourceCodester Best Fee Management System

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.