CVE-2022-50916
e107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file override
Severity Score
8.7
*CVSS v4
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
*Credits:
Hubert Wojciechowski
CVSS Scores
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
System
Vulnerable | Subsequent
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2026-01-11 CVE Reserved
- 2026-01-13 CVE Published
- 2026-01-16 CVE Updated
- 2026-01-16 First Exploit
- 2026-01-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-434: Unrestricted Upload of File with Dangerous Type
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://e107.org | Product | |
| https://e107.org/download | Product | |
| https://www.vulncheck.com/advisories/e-cms-upload-restriction-bypass-authenticated-admin-server-file-override | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://www.exploit-db.com/exploits/50910 | 2026-01-16 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|