{"id":"CVE-2026-48943","title":"K2 ≤ 2.24 contains a mass-assignment defect in the K2 system user plugin `plg_user_k2`","summary":"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 `n…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-915"],"published":"2026-06-25","updated":"2026-06-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48943","references":[{"url":"https://www.getk2.org/","label":"security@joomla.org"}],"tags":["nvd"],"epss":0.00303,"epssPercentile":0.23306,"ingestedAt":"2026-06-29T13:42:12.010Z","slug":"CVE-2026-48943","body":"## Overview\n\nK2 ≤ 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}