{"id":"CVE-2026-48946","aliases":["EUVD-2026-39442","GHSA-hmpj-wp8r-7h2p"],"status":"published","title":"Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla \u003c 2.26","description":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00284,"percentile":0.21023,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-06-25T15:25:28Z","modified":"2026-11-03T22:13:25Z","products":[{"vendor":"getk2.com","product":"k2 extension for joomla"},{"vendor":"getk2.org","product":"k2 extension for joomla"},{"vendor":"joomlaworks","product":"k2"}],"references":[{"url":"https://www.getk2.org/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48946"},{"url":"https://www.getk2.org"},{"url":"https://github.com/advisories/GHSA-hmpj-wp8r-7h2p"}],"sources":{"cve":[{"id":"CVE-2026-48946","title":"Joomla Extension - getk2.org - Privileged RCE vulnerability in K2 extension for Joomla \u003c 2.26","description":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.","status":"published","published":"2026-06-25T15:25:28.947Z","modified":"2026-11-05T17:59:12.93Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-434"],"updated_at":"2026-11-05T18:54:21.089916Z"}],"euvd":[{"id":"EUVD-2026-39442","description":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.","status":"published","published":"2026-06-25T15:25:28Z","modified":"2026-11-05T17:59:12Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-05T19:01:17.781272Z"}],"ghsa":[{"id":"GHSA-hmpj-wp8r-7h2p","title":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and...","description":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.","status":"published","published":"2026-06-25T18:30:39Z","modified":"2026-06-25T21:32:34Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:08:59.978633Z"}],"nvd":[{"id":"CVE-2026-48946","description":"The K2 frontend article-attachment upload path accepts files whose extension is `.php`, and Apache's standard mod_php matches `\\.php$` and executes them under the K2 web user. A K2 Author can upload a `shell.php`, then fetch `/media/k2/attachments/shell.php` and execute arbitrary PHP code in the web server's context.","status":"published","published":"2026-06-25T16:16:37.18Z","modified":"2026-11-03T23:17:45.547Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-04T01:48:33.119303Z"}]}}