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Fencer Vulns
critical 9.8

CVE-2023-4188 json

SQL Injection in instantsoft/icms2

published 2023-08-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54067

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

SQL Injection in GitHub repository instantsoft/icms2 prior to 2.16.1-git.

Patch / fix

  • instantsoft instantsoft/icms2 2.16.1-git
  • instantsoft instantcms 2.16.1-git

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/fe9809b6-40ad-4e81-9197-a9aa42e8a7bf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • instantsoft instantsoft/icms2
  • instantsoft instantcms

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.