Google har besluttet at fjerne komponenterne til underst\u00f8ttelse af XML-transformationssprog XSLT fra browser-motoren Chromium. \u00c5rsagen n\u00e6vnes som et \u00f8nske om at reducere angrebsfladen ved at stoppe brugen af biblioteket libxslt. If\u00f8lge Google skaber underst\u00f8ttelse af XSLT 1.0 urimelige sikkerhedsrisici, da der j\u00e6vnligt opdages s\u00e5rbarheder i biblioteket libxslt (for eksempel CVE-2025-7425 og CVE-2022-22834), og det har problemer med vedligeholdelse (fra juni til september var biblioteket uden vedligeholdelse og rettelse af s\u00e5rbarheder). Projekterne Firefox og WebKit overvejer ogs\u00e5 muligheden for at fjerne underst\u00f8ttelsen af XSLT. <\/p>\n
S\u00e5rbarheder i XSLT er blevet et redskab til at udf\u00f8re angreb p\u00e5 browsere, samtidig med at klientunderst\u00f8ttelse af XSLT i \u00f8jeblikket er uanvendt og bruges meget sj\u00e6ldent, og opgaver vedr\u00f8rende datatransformation til HTML kan mere sikkert l\u00f8ses ved hj\u00e6lp af JavaScript API'er som DOMParser og Fetch. If\u00f8lge Google udg\u00f8r andelen af indl\u00e6ste web-sider, hvor XSLT anvendes, 0,02%, og andelen af sider, der bruger XSLT-behandlingsinstruktioner, er vurderet til 0,001%. <\/p>\n
Ligeledes er det besluttet at stoppe brugen af libxml2-biblioteket i Chromium, hvor der ogs\u00e5 regelm\u00e6ssigt findes s\u00e5rbarheder, og der er problems med vedligeholdelse. Biblioteket libxml2 anvendes i Chromium til parsing, serialisering og validering af data i XML-format, og p\u00e5 baggrund af libxslt er klassen XSLTProcessor og XSLT-behandlingsinstruktionerne («<?xml-stylesheet … ?>») implementeret. <\/p>\n
Underst\u00f8ttelsen af libxslt-baserede funktioner, som API'et XSLTProcessor og instruktionerne til parsing af XML-stylingstabel, vil blive lukket i Chrome 155, der er planlagt til 17. november 2026. I Chrome 143, planlagt til 2. december 2025, vil der blive tilf\u00f8jet en advarsel i webkonsollen om, at API'et XSLTProcessor vil blive betragtet som for\u00e6ldet. I Chrome 148 (for\u00e5r 2026) vil underst\u00f8ttelsen af XSLT som standard blive deaktiveret i Canary-, Dev- og Beta-versionerne. Funktionaliteten til parsing af XML vil blive bevaret, men flyttet til et nyt bibliotek skrevet i Rust med henblik p\u00e5 sikkerhed. <\/p>\n
Som erstatning for den indbyggede browserunderst\u00f8ttelse af XSLT foresl\u00e5s det at flytte XSLT-behandling til serveren, server<\/a> og sende allerede genereret HTML-indhold til klienterne. Behandlere, der bruger XML API til at interagere mellem klienten og serveren<\/a>, foresl\u00e5s det at erstatte med anvendelse af JSON-formatet og rendering via konvertering af JSON til HTML\/CSS ved hj\u00e6lp af JavaScript. Blandt de mulige alternativer n\u00e6vnes ogs\u00e5 anvendelse af JavaScript-biblioteker som Saxonica med implementering af XSLT, en polyfill-lag for at sikre kompatibilitet med gammel kode, som tilbyder en erstatning af XSLTProcessor baseret p\u00e5 WASM, samt en browserudvidelse, der automatisk tilf\u00f8jer polyfill-laget til XML-dokumenter. \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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Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"