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Fencer Vulns
critical 9.8

CVE-2020-21119 json

SQL Injection vulnerability in Kliqqi-CMS 2.0.2 in admin/admin_update_module_widgets.php in recordIDValue parameter, allows attackers to ga…

published 2023-02-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-13898

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

SQL Injection vulnerability in Kliqqi-CMS 2.0.2 in admin/admin_update_module_widgets.php in recordIDValue parameter, allows attackers to gain escalated privileges and execute arbitrary code.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Kliqqi-CMS/Kliqqi-CMS/issues/259 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

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.