{"id":147510,"date":"2025-11-06T17:11:55","date_gmt":"2025-11-06T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-chromium-resheno-udalit-podderzhku-xslt-i-prekratit-ispolzovanie-libxslt-i-libxml2"},"modified":"2025-11-06T17:11:55","modified_gmt":"2025-11-06T15:11:55","slug":"v-chromium-resheno-udalit-podderzhku-xslt-i-prekratit-ispolzovanie-libxslt-i-libxml2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/v-chromium-resheno-udalit-podderzhku-xslt-i-prekratit-ispolzovanie-libxslt-i-libxml2","title":{"rendered":"In Chromium \u00e8 stata presa la decisione di rimuovere il supporto per XSLT e interrompere l'uso di libxslt e libxml2.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Google ha deciso di rimuovere dal motore di rendering del browser Chromium i componenti per il supporto del linguaggio per la trasformazione dei documenti XML XSLT. La ragione citata \u00e8 il desiderio di ridurre la superficie di attacco attraverso l'interruzione dell'uso della libreria libxslt. Secondo Google, il supporto per XSLT 1.0 presenta rischi di sicurezza ingiustificati poich\u00e9 nella libreria libxslt vengono periodicamente individuate vulnerabilit\u00e0 (ad esempio, CVE-2025-7425 e CVE-2022-22834) e presenta problemi di manutenzione (da giugno a settembre la libreria \u00e8 rimasta senza supporto e correzioni delle vulnerabilit\u00e0). Anche i progetti Firefox e WebKit stanno considerando la possibilit\u00e0 di rimuovere il supporto per XSLT.        <\/p>\n<p>Le vulnerabilit\u00e0 in XSLT diventano uno strumento per effettuare attacchi ai browser, mentre attualmente il supporto client per XSLT \u00e8 scarsamente richiesto e utilizzato raramente, e le esigenze di trasformazione dei dati in HTML possono essere soddisfatte in modo pi\u00f9 sicuro utilizzando API JavaScript, come DOMParser e Fetch. Secondo le statistiche di Google, la quota di pagine web caricate che utilizzano XSLT \u00e8 dello 0,02%, mentre la quota di pagine che utilizzano istruzioni di elaborazione XSLT \u00e8 stimata allo 0,001%.    <\/p>\n<p>Allo stesso modo, si \u00e8 deciso di interrompere l'uso nella Chromium della libreria libxml2, nella quale vengono regolarmente trovate vulnerabilit\u00e0 e ci sono problemi di manutenzione. La libreria libxml2 viene utilizzata in Chromium per l'analisi, la serializzazione e la convalida dei dati in formato XML, mentre sulla base di libxslt \u00e8 realizzato la classe XSLTProcessor e le istruzioni per l'elaborazione XSLT ().     <\/p>\n<p>Il supporto delle funzionalit\u00e0 basate su libxslt, come l'API XSLTProcessor e le istruzioni per l'analisi delle tabelle di stile XML, sar\u00e0 interrotto nella versione di Chrome 155, prevista per il 17 novembre 2026. Nella versione di Chrome 143, pianificata per il 2 dicembre 2025, sar\u00e0 aggiunta nella console web un'avvertenza riguardante il deprezzamento dell'API XSLTProcessor. Nella versione di Chrome 148 (primavera 2026), il supporto per XSLT sar\u00e0 disattivato per impostazione predefinita nei rami Canary, Dev e Beta. La funzionalit\u00e0 per l'analisi di XML sar\u00e0 mantenuta, ma trasferita a una nuova libreria scritta in Rust con un occhio alla sicurezza.     <\/p>\n<p>Come sostituto del supporto XSLT integrato nel browser, si propone di trasferire l'elaborazione XSLT sul lato <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3983\">server<\/a> e inviare ai client contenuti HTML gi\u00e0 formattati. I gestori che utilizzano l'API XML per l'interazione tra client e <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-prohoster\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3111\">server<\/a>, si propone di sostituire l'uso del formato JSON e il rendering tramite la conversione di JSON in HTML\/CSS utilizzando JavaScript. Tra le possibili alternative viene anche segnalato l'uso delle librerie JavaScript Saxonica con implementazione di XSLT, un layer polyfill per garantire la compatibilit\u00e0 con il codice obsoleto, che offre la sostituzione di XSLTProcessor basato su WASM, e un'estensione del browser che inserisce automaticamente il layer polyfill nei documenti XML.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64194\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-147510","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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