PT-2019-13058
CVE-2019-12966
·
Published
2019-06-26
·
Updated
2020-08-24
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
FeHelper versions prior to 2019-06-20
Description
The issue allows arbitrary code execution during a JSON format operation. This can be demonstrated by the input
{"a":(function(){confirm(1)})()}.Recommendations
For FeHelper versions prior to 2019-06-20, update to a version released after 2019-06-19 to resolve the issue. As a temporary workaround, consider restricting JSON format operations to minimize the risk of exploitation.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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