CVE-2018-12370

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CVSS 3.0

8.8 high

EPSS

1%p64

Published

Oct 18, 2018 (Oct 18, 2018)

Modified

Jun 17, 2026

Description

In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, bypassing CSRF protections. This vulnerability affects Firefox < 61.

Vendors: canonical mozilla
Products: ubuntu linux, firefox
Weakness: CWE-352
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.1%)

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