CVE-2019-12966

FeHelper through 2019-06-19 allows arbitrary code execution during a JSON format operation, as demonstrated by the {"a":(function(){confirm(1)})()} input.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
VendorProductVersion
fehelper_projectfehelper
𝑥
≤ 2019-06-19
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/zxlie/FeHelper/issues/63
https://github.com/zxlie/FeHelper/issues/63