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CVE-2019-11712 POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS…

Description

POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements. This can allow an attacker to perform Cross-Site Request Forgery (CSRF) attacks. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

Affected products and versions

Product Affected versions Fixed in
Firefox ESR 60.8 earliest → < 60.8 60.8
Firefox 68 earliest → < 68 68
Thunderbird 60.8 earliest → < 60.8 60.8
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