Search/CVE-2018-6654
● CVE — High

CVE-2018-6654

VendorgrammarlyProductgrammarlyDiscoveredFeb 6, 2018UpdatedNov 21, 2024

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.

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CVSS v3.1
8.8 HIGH
EPSS
0.51%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 23, 2026
● 0.00pp
0.51% → 0.51% over 9 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Feb 6, 2018
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024