CVE-2026-48943

Summary: CVE-2026-48943 affects K2 ≤ 2.24, specifically the K2 system user plugin plg_user_k2. A mass‑assignment defect allows a registered Joomla user to set the field K2UserForm=1 in a normal com_users profile.save POST and write arbitrary values into the notes, image, and plugins columns of th...