Mozilla: Bypass of @namespace CSS sanitization during pasting

When pasting a style tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR 68.4 and Firefox 72...

DEBIAN-CVE-2019-17022

When pasting a style tag from the clipboard into a rich text editor, the CSS sanitizer does not escape and characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently...