CVE-2019-12966

Published: Jun 26, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

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

Affected (1)

Products: Fehelper Project: Fehelper

Fehelper Project

1 product

Fehelper

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Fehelper Project Fehelper	Up to 2019-06-19

Related CWEs

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (2)

https://github.com/zxlie/FeHelper/issues/63

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://github.com/zxlie/FeHelper/issues/63

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.