Google har beslutat att ta bort st\u00f6d f\u00f6r XSLT fr\u00e5n webbl\u00e4sarmotorn Chromium. Orsaken anges vara en vilja att minska attackytan genom att upph\u00f6ra med anv\u00e4ndningen av biblioteket libxslt. Enligt Google skapar st\u00f6det f\u00f6r XSLT 1.0 on\u00f6diga s\u00e4kerhetsrisker, d\u00e5 s\u00e5rbarheter regelbundet uppt\u00e4ckts i biblioteket libxslt (till exempel CVE-2025-7425 och CVE-2022-22834) och det finns problem med underh\u00e5llet (fr\u00e5n juni till september f\u00f6rblev biblioteket utan underh\u00e5ll och patchar f\u00f6r s\u00e5rbarheter). Projekten Firefox och WebKit \u00f6verv\u00e4ger ocks\u00e5 att ta bort st\u00f6det f\u00f6r XSLT. <\/p>\n
S\u00e5rbarheter i XSLT blir verktyg f\u00f6r attacker mot webbl\u00e4sare, samtidigt som klientst\u00f6det f\u00f6r XSLT f\u00f6r n\u00e4rvarande \u00e4r obefintligt och anv\u00e4nds mycket s\u00e4llan. Uppgiften att omvandla data till HTML kan l\u00f6sas p\u00e5 ett s\u00e4krare s\u00e4tt med hj\u00e4lp av JavaScript API:er som DOMParser och Fetch. Enligt statistik fr\u00e5n Google utg\u00f6r andelen webbsidor som anv\u00e4nder XSLT 0.02%, medan andelen sidor med XSLT-behandlingsinstruktioner uppskattas till 0.001%. <\/p>\n
Det har ocks\u00e5 beslutats att sluta anv\u00e4nda biblioteket libxml2 i Chromium, d\u00e4r man regelbundet uppt\u00e4cker s\u00e5rbarheter och har problem med underh\u00e5llet. Biblioteket libxml2 anv\u00e4nds i Chromium f\u00f6r att analysera, serialisera och validera data i XML-format, och klassen XSLTProcessor samt XSLT-behandlingsdirektiven () \u00e4r implementerade med libxslt. <\/p>\n
St\u00f6det f\u00f6r libxslt-baserade funktioner, s\u00e5som API:et XSLTProcessor och instruktionerna f\u00f6r att analysera XML-stilmallar, kommer att upph\u00f6ra i Chrome-version 155, planerat till den 17 november 2026. I Chrome 143, som \u00e4r planerat till den 2 december 2025, kommer webbkonsolen att f\u00e5 en varning om att API:et XSLTProcessor klassas som f\u00f6r\u00e5ldrat. I Chrome 148 (v\u00e5ren 2026) kommer st\u00f6det f\u00f6r XSLT att st\u00e4ngas av som standard i Canary-, Dev- och Beta-versionerna. Funktionaliteten f\u00f6r att analysera XML kommer att finnas kvar, men \u00f6verf\u00f6ras till ett nytt bibliotek, skrivet i Rust med fokus p\u00e5 s\u00e4kerhet. <\/p>\n
Som en ers\u00e4ttning f\u00f6r det inbyggda st\u00f6d som webbl\u00e4saren erbjuder f\u00f6r XSLT f\u00f6resl\u00e5s det att flytta XSLT-behandlingen till servern servern<\/a> och skicka redan formaterat HTML-inneh\u00e5ll till klienterna. Handlers som anv\u00e4nder XML API f\u00f6r interaktion mellan klient och servern<\/a>, f\u00f6resl\u00e5s att ers\u00e4tta anv\u00e4ndningen av JSON-format och rendering genom att omvandla JSON till HTML\/CSS med hj\u00e4lp av JavaScript. Bland de m\u00f6jliga alternativen n\u00e4mns ocks\u00e5 anv\u00e4ndningen av JavaScript-biblioteket Saxonica med en implementering av XSLT, en polyfill-lager f\u00f6r att s\u00e4kerst\u00e4lla kompatibilitet med gammal kod, som erbjuder en ers\u00e4ttning f\u00f6r XSLTProcessor baserat p\u00e5 WASM, och ett webbl\u00e4sartill\u00e4gg som automatiskt l\u00e4gger till polyfill-lagret i XML-dokument. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0438\u043d\u044f\u043b\u0430 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0438\u0437 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043d\u043e\u0433\u043e \u0434\u0432\u0438\u0436\u043a\u0430 Chromium \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f XML-\u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 XSLT. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u0447\u0438\u043d\u044b \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0436\u0435\u043b\u0430\u043d\u0438\u0435 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a\u0438 \u0447\u0435\u0440\u0435\u0437 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libxslt. \u041f\u043e \u043c\u043d\u0435\u043d\u0438\u044e Google \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 XSLT 1.0 \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u043d\u0435\u043e\u043f\u0440\u0430\u0432\u0434\u0430\u043d\u043d\u044b\u0435 \u0440\u0438\u0441\u043a\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0442\u0430\u043a \u043a\u0430\u043a \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libxslt \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u044b\u044f\u0432\u043b\u044f\u044e\u0442 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, CVE-2025-7425 \u0438 CVE-2022-22834) \u0438 \u043e\u043d\u0430 \u0438\u043c\u0435\u0435\u0442 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b 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K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"