CVE-2018-6654 describes a high-severity vulnerability in the Grammarly Chrome extension prior to version 2018-02-02, allowing remote attackers to discover authentication tokens. This flaw stems from the extension's failure to restrict the exposure of these tokens to specific websites, making them accessible via an "action: user" request to iframe.gr_-ifr. With a CVSS score of 8.8, this vulnerability presents a high risk due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2018-02-02CPE matchmatch criteria | cpe:2.3:a:grammarly:grammarly:2018-02-02:*:*:*:*:chrome:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.