{"data":{"id":"CVE-2026-48943","cve_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`.","severity":"MEDIUM","cvss":{"score":6.5,"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"nvd"},"published_at":"2026-06-25T16:16:36.737000Z","modified_at":"2026-06-28T19:16:51.560000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":false,"relevance":"certain","product":"k2","extension":{"type":"plugin","name":"k2"},"sources":["nvd"],"source_count":1,"url":"https://cve.oyer.fr/cve/CVE-2026-48943","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.","cwe":["CWE-915"],"affected":[{"package":null,"product":"K2 extension for Joomla","vendor":"getk2.org","ecosystem":null,"cpe":null,"version_start":"1.0","version_end":"2.26","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"k2","vendor":"joomlaworks","ecosystem":null,"cpe":"cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\\!:*:*","version_start":null,"version_end":"2.26","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"}],"references":[{"url":"https://www.getk2.org/","title":"Product","source":"nvd"}],"source_records":[{"source":"nvd","external_id":"CVE-2026-48943","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48943","severity":"MEDIUM","cvss_score":6.5,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cvss_version":"3.1","first_seen_at":"2026-09-26T09:34:28.309307Z","last_seen_at":"2026-09-26T09:34:28.309307Z"}],"history":[{"at":"2026-09-26T09:34:28.309307Z","event":"created","source":"nvd","detail":"Détectée via nvd"}]}}