{"id":"CVE-2026-66490","aliases":["EUVD-2026-50333","GHSA-6432-frr4-pgf6"],"status":"published","title":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","description":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00266,"percentile":0.18676,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-07-29T13:54:24Z","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-2026-66490"},{"url":"https://mysites.guru/blog/gridbox-23-critical-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-6432-frr4-pgf6"}],"sources":{"cve":[{"id":"CVE-2026-66490","title":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","description":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","status":"published","published":"2026-07-29T13:54:24.941Z","modified":"2026-08-12T13:52:50.243Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-50333","description":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","status":"published","published":"2026-07-29T13:54:24Z","modified":"2026-08-12T13:52:50Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:58.638592Z"}],"ghsa":[{"id":"GHSA-6432-frr4-pgf6","title":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2...","description":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","status":"published","published":"2026-07-29T15:31:12Z","modified":"2026-07-29T15:31:12Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:09:54.335538Z"}],"nvd":[{"id":"CVE-2026-66490","description":"Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox \u003c 2.20.2","status":"published","published":"2026-07-29T14:16:34.373Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:33.629616Z"}]}}