--- author: default date: 2026-02-24T13:00:02Z tags: [feeds] feed: description: "hacks.mozilla.org" domain: "hacks.mozilla.org" enclosure: "" favicon: "/data/media/favicon.httpshacksmozillaorgfeed.png" home: "https://hacks.mozilla.org/" link: "https://hacks.mozilla.org/2026/02/goodbye-innerhtml-hello-sethtml-stronger-xss-protection-in-firefox-148/" name: "Mozilla Hacks" source: "https://hacks.mozilla.org/feed/" --- Cross-site scripting (XSS) remains one of the most prevalent vulnerabilities on the web. The new standardized Sanitizer API provides a straightforward way for web developers to sanitize untrusted HTML before inserting it into the DOM. Firefox 148 is...