CVE Vulnerability

CVE-2018-6654

The Grammarly extension before 2018-02-02 for Chrome allows remote attackers to discover authentication tokens via an 'action: "user"' request to iframe.gr_-ifr, because the exposure of these tokens is not restricted to any specific web site.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=1527 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:grammarly:grammarly:2018-02-02:*:*:*:*:chrome:*:*
Information

Published : 2018-02-06 01:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-6654

Mitre link : CVE-2018-6654

Products Affected
No products.
CWE
CWE-346