CVE-2026-44658

Zen is a firefox-based browser. Prior to 1.19.12b, RSS feed URLs entered by the user are validated to http: or https: in promptForFeedUrl, but item links inside the feed are not subject to the same restriction. The provider maps each RSS/Atom item link into item.url, filters only for presence and...

CVE-2026-44658

Zen is a firefox-based browser. Prior to 1.19.12b, RSS feed URLs entered by the user are validated to http: or https: in promptForFeedUrl, but item links inside the feed are not subject to the same restriction. The provider maps each RSS/Atom item link into item.url, filters only for presence and...

CVE-2026-44658

CVE-2026-44658 (Zen Browser) : Zen Browser is a Firefox-based browser. The issue arises when RSS/Atom item links parsed from feeds are mapped to item.url without the same http/https scheme restriction applied in promptForFeedUrl; these links are then used by the live-folder manager to create pinn...