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TI-2020-13922 Aliases CVE-2020-20735GHSA-f2fm-6xq7-v8j8

File Upload vulnerability in LJCMS v.4.3.R60321 allows a remote attacker to execute…

Priority MEDIUM 51CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

File Upload vulnerability in LJCMS v.4.3.R60321 allows a remote attacker to execute arbitrary code via the ljcms/index.php parameter.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01053 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:8cms:ljcms:4.3.r60321:*:*:*:*:*:*:*4.3.r60321Vulnerable8cms
  • cpe:2.3:a:8cms:ljcms:4.3.r60321:*:*:*:*:*:*:* Versions 4.3.r60321 Vulnerable ·8cms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-20735
  2. 2026-10-03 Alias added: GHSA-f2fm-6xq7-v8j8

References

Other 1

  • TI-2020-13958 An arbitrary file upload vulnerability in the move_uploaded_file() function of LJCMS v4.3… CVSS 3.1CRITICAL 9.8
  • TI-2020-14018 An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks. CVSS 3.1CRITICAL 9.8
  • TI-2020-13875 A SQL injection vulnerability in /question.php of LJCMS Version v4.3.R60321 allows… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences