CVE-2018-12358

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 61

Description The issue is related to service workers using redirection to avoid the tainting of cross-origin resources, allowing a malicious site to read responses that are supposed to be opaque. This can enable a remote attacker to gain unauthorized access to protected information.

Recommendations For versions prior to 61, update to version 61 or later to resolve the issue.