{"data":{"id":"CVE-2026-74252","cve_id":"CVE-2026-74252","title":"Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5","summary":"Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5","severity":"HIGH","cvss":{"score":8.6,"version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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","source":"nvd"},"published_at":"2026-08-21T20:16:41Z","modified_at":"2026-08-26T16:35:20.160000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":false,"relevance":"certain","product":"Extension Joomla — j2commerce.com","extension":{"type":null,"name":null},"sources":["nvd"],"source_count":1,"url":"https://cve.oyer.fr/cve/CVE-2026-74252","description":"Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - J2Commerce 4.1.5 is vulnerable to Stored Cross-Site Scripting (XSS) through the guest checkout billing address fields. An unauthenticated attacker exploits a filter bypass in Joomla's Input::getArray() combined with PHP's variables_order=EGPCS (Cookie overrides POST in $_REQUEST ) to store unsanitized HTML in fields such as billing_first_name.","cwe":["CWE-79"],"affected":[{"package":null,"product":"J2Store extension for Joomla","vendor":"j2commerce.com","ecosystem":null,"cpe":null,"version_start":"1.0.0","version_end":"3.3.20","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"J2Store extension for Joomla","vendor":"j2commerce.com","ecosystem":null,"cpe":null,"version_start":"4.0.0","version_end":"4.0.20","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"J2Store extension for Joomla","vendor":"j2commerce.com","ecosystem":null,"cpe":null,"version_start":"4.1.0","version_end":"4.1.5","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"}],"references":[{"url":"https://www.j2commerce.com/","title":null,"source":"nvd"}],"source_records":[{"source":"nvd","external_id":"CVE-2026-74252","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74252","severity":"HIGH","cvss_score":8.6,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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","cvss_version":"4.0","first_seen_at":"2026-09-26T09:34:33.121423Z","last_seen_at":"2026-09-26T09:34:33.121423Z"}],"history":[{"at":"2026-09-26T09:34:33.121423Z","event":"created","source":"nvd","detail":"Détectée via nvd"}]}}