CVE-2026-48943
Joomla Extension - getk2.org - Authenticated user property mass-assignment in K2 extension for Joomla < 2.26
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Joomla Extension - getk2.org - Authenticated user property mass-assignment in K2 extension for Joomla < 2.26
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.
- Record
CVE-2026-48943- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-915
- Updated
- 2026-11-02
EUVDEUVD-2026-39438
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.
- Record
EUVD-2026-39438- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x6c6-vg4w-8r3r
K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`. A...
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.
- Record
GHSA-x6c6-vg4w-8r3r- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-915
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-48943- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-915
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-48943 is a medium vulnerability (CVSS 6.5) in Getk2.com K2 Extension For Joomla, published June 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.