e107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file override
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
e107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrators to override server files through the Media Manager import functionality. Attackers can exploit the upload mechanism by manipulating the upload URL parameter to overwrite existing files like top.php in the web application directory.
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-2022-50916
- 2026-10-03 Alias added: GHSA-c724-26g5-r6m3
References
Exploit 1
More E107 vulnerabilities
- TI-2022-26359 e107 CMS v3.2.1 - Reflected XSS via Comment Flow CVSS 3.1CRITICAL 9.8
- TI-2022-26391 e107 CMS v3.2.1 - Upload Restriction Bypass with Path Traversal File Override CVSS 4.0HIGH 8.6
- TI-2022-26361 e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE CVSS 4.0HIGH 8.6
- TI-2023-18122 Cross Site Scripting vulnerability in e107 v.2.3.2 allows a remote attacker to execute… CVSS 3.1MEDIUM 5.4
- TI-2025-10948 e107 CMS Avatar image.php path traversal CVSS 4.0MEDIUM 5.3
- TI-2022-26360 e107 CMS v3.2.1 - Admin Upload Restriction Bypass + Stored XSS CVSS 4.0MEDIUM 4.8
Sources
- CVE-2022-50916 · CVE Program
- CVE-2022-50916 · NVD
- FIRST EPSS
- GHSA-c724-26g5-r6m3 · 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