{"data":{"id":"CVE-2026-85190","cve_id":"CVE-2026-85190","title":"Privileged stored XSS via class option in Quick Index extension for Joomla < 5.0.5","summary":"Privileged stored XSS via class option in Quick Index extension for Joomla < 5.0.5","severity":"HIGH","cvss":{"score":7.5,"version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/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:N/AU:N/R:X/V:X/RE:X/U:X","source":"nvd"},"published_at":"2026-09-14T07:17:22.490000Z","modified_at":"2026-09-16T19:28:06.713000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":false,"relevance":"certain","product":"Quick Index (Free, Pro)","extension":{"type":"plugin","name":"Quick Index (Free, Pro)"},"sources":["nvd"],"source_count":1,"url":"https://cve.oyer.fr/cve/CVE-2026-85190","description":"Joomla Extension - regularlabs.com - Privileged stored XSS via class option in Quick Index extension for Joomla < 5.0.5 - Quick Index inserts configurable class values into generated HTML without escaping them for an HTML attribute. A crafted value can close the intended class attribute and introduce a new attribute. Joomla's content filter cannot reliably prevent this because Quick Index creates the executable HTML after the authored plugin syntax was filtered.","cwe":["CWE-79"],"affected":[{"package":"plg_system_quickindex","product":"Quick Index (Free, Pro) extension for Joomla","vendor":"regularlabs.com","ecosystem":null,"cpe":null,"version_start":"1.0.0","version_end":"5.0.4","version_end_inclusive":true,"fixed_version":null,"type":"plugin","source":"nvd"}],"references":[{"url":"https://www.regularlabs.com/","title":null,"source":"nvd"}],"source_records":[{"source":"nvd","external_id":"CVE-2026-85190","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85190","severity":"HIGH","cvss_score":7.5,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/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:N/AU:N/R:X/V:X/RE:X/U:X","cvss_version":"4.0","first_seen_at":"2026-09-26T09:34:34.982482Z","last_seen_at":"2026-09-26T09:34:34.982482Z"}],"history":[{"at":"2026-09-26T09:34:34.982482Z","event":"created","source":"nvd","detail":"Détectée via nvd"}]}}