CVE-2019-12966

PoC —

CVSS 3.0

9.8 critical

EPSS

2%p83

Published

Jun 26, 2019 (Jun 26, 2019)

Modified

Jun 17, 2026

Description

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

Vendors: fehelper project
Products: fehelper
Weakness: CWE-74
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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