CVE-2018-6654

Published: Feb 6, 2018Modified: Jun 17, 2026

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

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.

Affected (1)

Products: Grammarly: Grammarly

Grammarly

1 product

Grammarly

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Grammarly Grammarly	Version 2018-02-02

Related CWEs

CWE-346

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (2)

https://bugs.chromium.org/p/project-zero/issues/detail?id=1527

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://bugs.chromium.org/p/project-zero/issues/detail?id=1527

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

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.