Cross-site Scripting (XSS) The advisory has been revoked - it doesn't affect any version of package php-horde-mime-viewer (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-PHPHORDEMIMEVIEWER-2421427
- published21 Mar 2026
- disclosed11 Mar 2022
Introduced: 11 Mar 2022
CVE-2022-26874 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php-horde-mime-viewer package and not the php-horde-mime-viewer package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-26874
- https://lists.debian.org/debian-lts-announce/2024/10/msg00015.html
- 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