CVE-2022-26874

Name: CVE-2022-26874
Creator: NVD / NIST
Published: 2022-03-11T07:15:08.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2022-26874 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.03%

59.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Horde	Horde Mime Viewer	< 2.2.4
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://blog.sonarsource.com/horde-webmail-account-takeover-via-email/Exploit, Third Party Advisory
https://github.com/horde/Mime_Viewer/commit/02b46cec1a7e8f1a6835b628850cd56b85963bb5Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00007.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00021.htmlMailing List, Third Party Advisory
https://blog.sonarsource.com/horde-webmail-account-takeover-via-email/Exploit, Third Party Advisory
https://github.com/horde/Mime_Viewer/commit/02b46cec1a7e8f1a6835b628850cd56b85963bb5Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00007.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00021.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/10/msg00015.html

Timeline

Published: Mar 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-26874?

How severe is CVE-2022-26874?

CVE-2022-26874 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2022-26874?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26874?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST