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2019-09-27
Some HTML elements, such as <title> and <textarea>, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if a site does not filter user input as strictly for these elements as it does for other elements. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
Products | Firefox, Firefox_esr, Thunderbird |
Type | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (CWE-79) |
First patch | - None (likely due to unavailable code) |
Links |
• https://www.mozilla.org/security/advisories/mfsa2019-27/
• https://www.mozilla.org/security/advisories/mfsa2019-25/ • http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html • http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html • http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html |