SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53921
- 2026-10-03 Alias added: GHSA-wjjc-cc9v-hq6j
References
Exploit 1
Other 1
More Sitemagic Cms vulnerabilities
- TI-2019-06527 An issue was discovered in Sitemagic CMS v4.4. CVSS 3.0HIGH 7.2
Sources
- CVE-2023-53921 · CVE Program
- CVE-2023-53921 · NVD
- FIRST EPSS
- GHSA-wjjc-cc9v-hq6j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences