{"id":"CVE-2026-66917","aliases":["EUVD-2026-64248","GHSA-8vxv-gf52-gm5h"],"status":"published","title":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0","description":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00518,"percentile":0.44401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-22T11:12:32Z","modified":"2026-10-23T22:10:00Z","exploits":[{"source":"pocgithub","id":"toanln-cov/CVE-2026-66917","title":"toanln-cov/CVE-2026-66917","date":"2026-08-23","url":"https://github.com/toanln-cov/CVE-2026-66917"}],"products":[{"vendor":"joomgalleryfriends.net","product":"joomgallery extension for joomla"}],"references":[{"url":"https://www.joomgalleryfriends.net/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66917"},{"url":"https://www.joomgalleryfriends.net"},{"url":"https://github.com/advisories/GHSA-8vxv-gf52-gm5h"}],"sources":{"cve":[{"id":"CVE-2026-66917","title":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0","description":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.","status":"published","published":"2026-08-22T11:12:32.382Z","modified":"2026-08-24T13:06:18.31Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-64248","description":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.","status":"published","published":"2026-08-22T11:12:32Z","modified":"2026-08-24T13:06:18Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:35.296422Z"}],"ghsa":[{"id":"GHSA-8vxv-gf52-gm5h","title":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated,...","description":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.","status":"published","published":"2026-08-22T12:30:25Z","modified":"2026-08-22T12:30:26Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:50.919771Z"}],"nvd":[{"id":"CVE-2026-66917","description":"Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery \u003c 4.4.0 - An authenticated, privileged can store an XSS payload in any image causing JS execution in every visitor's browser.","status":"published","published":"2026-08-22T12:16:25.68Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:40.665005Z"}]}}