CVE-2019-12966 Information

Description

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

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8