Critical severity9.8NVD Advisory· Published Jun 26, 2019· Updated Jun 17, 2026

CVE-2019-12966

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FeHelper/FeHelperdescription
FeHelper/FeHelperllm-create
Range: <=2019-06-19

Patches

Vulnerability mechanics

References

github.com/zxlie/FeHelper/issues/63nvdExploitIssue TrackingThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000