UXSS — PoC Archivehttps://poc.intelseclab.com/tags/uxss/Latest proof-of-concept entries.Hugoen-usMon, 08 Jun 2026 00:00:00 +0000FirefUXSS: Universal XSS in Firefox Focus for iOS via Redirect-Scheme Validation Race Conditionhttps://poc.intelseclab.com/pocs/web/2026-06-08_firefox-focus-ios-uxss-redirect-scheme-race-condition/Mon, 08 Jun 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-06-08_firefox-focus-ios-uxss-redirect-scheme-race-condition/Critical severity (CVSS 9.3) — web. Status: Unpatched. Affects: Firefox Focus for iOS. Tags: UXSS, XSS, race-condition, TOCTOU, redirect-validation, javascript-scheme, iOS, Firefox Focus.webCriticalUXSSXSSrace-conditionTOCTOUredirect-validationjavascript-schemeiOSFirefox Focus