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TI-2023-24369 Aliases CVE-2023-45554GHSA-4xxx-xjp2-284m

File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary…

Priority HIGH 82CWE-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 zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary code via modification of the imageext parameter from jpg, jpeg,gif, and png to jpg, jpeg,gif, png, pphphp.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01982 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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:zzzcms:zzzcms:2.1.9:*:*:*:*:*:*:*2.1.9VulnerableZzzcms
  • cpe:2.3:a:zzzcms:zzzcms:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·Zzzcms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45554
  2. 2026-10-03 Alias added: GHSA-4xxx-xjp2-284m

References

  • TI-2023-04839 ZZZCMS Database Backup File save.php restore permission CVSS 3.1HIGH 8.8
  • TI-2023-24370 File Upload vulnerability in zzzCMS v.2.1.9 allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.8
  • TI-2020-13674 A Cross Site Request Forgery (CSRF) vulnerability exits in ZZZCMS V1.7.1 via the save_user funciton in save.php. CVSS 3.1HIGH 8.8
  • TI-2023-05139 ZZZCMS Personal Profile Page cross site scripting CVSS 3.1MEDIUM 5.4
  • TI-2020-13675 A Cross Site Scripting (XSS) exists in ZZZCMS V1.7.1 via an editfile action in save.php. CVSS 3.1MEDIUM 5.4

Sources