CVE-2022-26874

lib/Horde/Mime/Viewer/Ooo.php in Horde Mime_Viewer before 2.2.4 allows XSS via an OpenOffice...

5.4 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.05%Up 0.2 points since Mar 11, 2022

What each source reports

NVD Score used 5.4

Record: CVE-2022-26874
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2022-26874
Updated: 2026-11-02

EUVDEUVD-2022-31423 No score

Record: EUVD-2022-31423
Updated: 2026-11-03

GitHub AdvisoriesGHSA-q622-5f2g-fmg6 5.4

lib/Horde/Mime/Viewer/Ooo.php in Horde Mime_Viewer before 2.2.4 allows XSS via an OpenOffice...

Record: GHSA-q622-5f2g-fmg6
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-26874 5.4

Record: DEBIAN-CVE-2022-26874
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-26874 5.4

Record: UBUNTU-CVE-2022-26874
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSV No score

Record: CVE-2022-26874
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`php-horde-mime-viewer` Debian:12	before 2.2.4+debian0-1, plus listed versions 1.0.8-11.0.8-1.12.0.1-12.0.1-22.0.2-1 Show 17 moreShow less 2.0.4-12.0.5-12.0.6-12.0.7-12.0.7-22.1.0-12.1.1-12.1.1-22.1.2-12.1.2-22.1.3-12.1.3-22.2.1-12.2.2-12.2.2-22.2.2-32.2.2-4	2.2.4+debian0-1
`php-horde-mime-viewer` Debian:9	before 2.2.1-1+deb9u1, plus listed versions 2.2.1-1	2.2.1-1+deb9u1
`php-horde-mime-viewer` Debian:10	before 2.2.2-3+deb10u1, plus listed versions 2.2.2-3	2.2.2-3+deb10u1
`php-horde-mime-viewer` Debian:11	before 2.2.4+debian0-2~deb11u1	2.2.4+debian0-2~deb11u1
`php-horde-mime-viewer` Ubuntu:16.04:LTS	All versions, plus listed versions 2.1.1-12.1.1-22.1.2-12.1.2-1build1	None known
`php-horde-mime-viewer` Ubuntu:18.04:LTS	All versions, plus listed versions 2.2.1-12.2.2-1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-26874 is a medium vulnerability (CVSS 5.4) in Debian Linux, published March 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.05%, the 64th percentile. Fixed in php-horde-mime-viewer 2.2.4+debian0-1.

References

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