K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A Registered Joomla user, by including the field `K2UserForm=1` in a standard `com_users` `profile.save` POST, can write arbitrary values into the `notes`, `image`, and `plugins` columns of their own row in the `#__k2_users` table — none of which are exposed by the K2 frontend profile-edit form.

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K2 Extension For Joomla Subscribe
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Fixes

Solution

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Workaround

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References
Link Providers
https://www.getk2.org/ cve-icon
History

Fri, 26 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Getk2
Getk2 k2 Extension For Joomla
Vendors & Products Getk2
Getk2 k2 Extension For Joomla

Thu, 25 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 25 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A Registered Joomla user, by including the field `K2UserForm=1` in a standard `com_users` `profile.save` POST, can write arbitrary values into the `notes`, `image`, and `plugins` columns of their own row in the `#__k2_users` table — none of which are exposed by the K2 frontend profile-edit form.
Title Joomla Extension - getk2.com - Authenticated user property mass-assignment in K2 extension for Joomla < 2.26
Weaknesses CWE-915
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-06-25T18:46:31.284Z

Reserved: 2026-05-26T16:47:13.550Z

Link: CVE-2026-48943

cve-icon Vulnrichment

Updated: 2026-06-25T18:46:26.527Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T09:37:07Z

Weaknesses