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Fencer Vulns
medium 6.3

CVE-2023-6464 json

SourceCodester User Registration and Login System add-user.php sql injection

published 2023-12-02 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58698

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

A vulnerability was found in SourceCodester User Registration and Login System 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /endpoint/add-user.php. The manipulation of the argument user leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-246614 is the identifier assigned to this vulnerability.

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/qqisee/vulndis/blob/main/sqlInjection_delete_user.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 User Registration and Login System

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.