{"id":"CVE-2026-65884","aliases":["EUVD-2026-50299","GHSA-5mfv-p7rj-5xgx"],"status":"published","title":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2","description":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.","severity":{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00517,"percentile":0.44341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-07-29T12:09:08Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"balbooa","product":"gridbox"},{"vendor":"balbooa.com","product":"gridbox extension for joomla"}],"references":[{"url":"https://www.balbooa.com/gridbox","tags":["product","Product"]},{"url":"https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65884"},{"url":"https://mysites.guru/blog/gridbox-23-critical-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-5mfv-p7rj-5xgx"}],"sources":{"cve":[{"id":"CVE-2026-65884","title":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2","description":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.","status":"published","published":"2026-07-29T12:09:08.021Z","modified":"2026-08-12T13:56:01.778Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:37:02.780526Z"}],"euvd":[{"id":"EUVD-2026-50299","description":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.","status":"published","published":"2026-07-29T12:09:08Z","modified":"2026-08-12T13:56:01Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red","level":"critical"}],"updated_at":"2026-11-02T18:01:58.638592Z"}],"ghsa":[{"id":"GHSA-5mfv-p7rj-5xgx","title":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration...","description":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.","status":"published","published":"2026-07-29T15:31:11Z","modified":"2026-08-05T21:32:36Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:10:08.59251Z"}],"nvd":[{"id":"CVE-2026-65884","description":"Joomla Extension - balbooa.com - Privilege Escalation in Gridbox \u003c 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.","status":"published","published":"2026-07-29T13:19:10.677Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:33.629616Z"}]}}