{"id":"CVE-2026-97165","aliases":["EUVD-2026-87928","GHSA-3g59-55jw-r38v"],"status":"published","title":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0","description":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00141,"percentile":0.03468,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601","CWE-79"],"published":"2026-09-27T11:44:38Z","modified":"2026-10-27T15:32:09Z","products":[{"vendor":"svenbluege","product":"event_gallery"},{"vendor":"svenbluege.de","product":"event gallery for joomla"}],"references":[{"url":"https://www.svenbluege.de/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97165"},{"url":"https://www.svenbluege.de"},{"url":"https://github.com/advisories/GHSA-3g59-55jw-r38v"}],"sources":{"cve":[{"id":"CVE-2026-97165","title":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0","description":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.","status":"published","published":"2026-09-27T11:44:38.823Z","modified":"2026-09-30T15:06:29.231Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601","CWE-79"],"updated_at":"2026-11-02T13:44:18.366073Z"}],"euvd":[{"id":"EUVD-2026-87928","description":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.","status":"published","published":"2026-09-27T11:44:38Z","modified":"2026-09-30T15:06:29Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:49.499669Z"}],"ghsa":[{"id":"GHSA-3g59-55jw-r38v","title":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6...","description":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.","status":"published","published":"2026-09-27T12:30:21Z","modified":"2026-10-27T15:32:09Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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":"medium"},{"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":"2026-11-02T15:14:29.466605Z"}],"nvd":[{"id":"CVE-2026-97165","description":"Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension \u003c 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.","status":"published","published":"2026-09-27T12:17:12.127Z","modified":"2026-10-27T14:37:08.88Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/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":"medium","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-79","CWE-601"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}