{"id":"CVE-2026-48940","aliases":["EUVD-2026-39445","GHSA-4gq9-7rp6-9749"],"status":"published","title":"Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla \u003c 2.26","description":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `\u003cscript\u003e` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.","severity":{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00284,"percentile":0.21072,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-06-25T15:26:27Z","modified":"2026-10-25T22:10:00Z","products":[{"vendor":"getk2.com","product":"k2 extension for joomla"},{"vendor":"getk2.org","product":"k2 extension for joomla"},{"vendor":"joomlaworks","product":"k2"}],"references":[{"url":"https://www.getk2.org/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48940"},{"url":"https://www.getk2.org"},{"url":"https://github.com/advisories/GHSA-4gq9-7rp6-9749"}],"sources":{"cve":[{"id":"CVE-2026-48940","title":"Joomla Extension - getk2.org - Stored-XSS in K2 extension for Joomla \u003c 2.26","description":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `\u003cscript\u003e` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.","status":"published","published":"2026-06-25T15:26:27.174Z","modified":"2026-06-28T18:38:46.748Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-39445","description":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `\u003cscript\u003e` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.","status":"published","published":"2026-06-25T15:26:27Z","modified":"2026-06-28T18:38:46Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T18:20:23.349194Z"}],"ghsa":[{"id":"GHSA-4gq9-7rp6-9749","title":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose ...","description":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `\u003cscript\u003e` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.","status":"published","published":"2026-06-25T18:30:38Z","modified":"2026-06-25T21:32:34Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:08:59.978633Z"}],"nvd":[{"id":"CVE-2026-48940","description":"A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `\u003cscript\u003e` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.","status":"published","published":"2026-06-25T16:16:36.41Z","modified":"2026-10-25T22:10:00.15Z","cvss":[{"version":"3.1","score":3.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:26.045561Z"}]}}