CVE-2019-11712

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Mozilla Firefox

PublishedJul 23, 2019

First seenJul 23, 2019

How to fix

Update

mozilla firefox60.8.0, 68.0 or later
mozilla thunderbird60.8.0 or later

Vendor advisories

security.gentoo.org/glsa/201908-12
security.gentoo.org/glsa/201908-20

Affected products

Product	Affected versions	Fixed in
mozilla firefox	v < 60.8.0, v < 68.0	60.8.0, 68.0
mozilla thunderbird	v < 60.8.0	60.8.0

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