CVE-2019-12966

Public Exploit

Description

FeHelper through 2019-06-19 allows arbitrary code execution during a JSON format operation, as demonstrated by the {"a":(function(){confirm(1)})()} input.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.12% Top 25%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zxlie/FeHelper/issues/63 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-12966?
CVE-2019-12966 has been scored as a critical severity vulnerability.
How to fix CVE-2019-12966?
To fix CVE-2019-12966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-12966 being actively exploited in the wild?
It is possible that CVE-2019-12966 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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