CVE-2018-6654

2018-02-0601:00:00

mitre

www.cve.org

grammarly

authentication tokens

remote attackers

chrome

web site

AI Score

8.9

Confidence

High

EPSS

0.004

Percentile

75.1%

JSON

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.

References

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