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TI-2023-30204 Aliases CVE-2023-53921GHSA-wjjc-cc9v-hq6j

SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload

Priority HIGH 73CWE-434Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

SitemagicCMS 4.4.3 contains a remote code execution vulnerability that allows attackers to upload malicious PHP files to the files/images directory. Attackers can upload a .phar file with system command execution payload to compromise the web application and execute arbitrary system commands.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00958 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
SitemagicSitemagicCMS4.4.3—No fix listedCNA
  • SitemagicCMS VendorSitemagic Affected 4.4.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sitemagic:sitemagic_cms:4.4.3:*:*:*:*:*:*:*4.4.3VulnerableSitemagic
  • cpe:2.3:a:sitemagic:sitemagic_cms:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 Vulnerable ·Sitemagic

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53921
  2. 2026-10-03 Alias added: GHSA-wjjc-cc9v-hq6j

References

  • TI-2019-06527 An issue was discovered in Sitemagic CMS v4.4. CVSS 3.0HIGH 7.2

Sources