Grammarly's vulnerability footprint is narrow, centered on its writing-assistance platform, with the observed weakness class centered on origin-validation errors that could affect trust boundaries in cross-origin communication. Treat this as a compact vendor profile; live severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Grammarly over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2018-6654HIGH 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 exposu | Feb 6, 2018 | 8.8 | 25 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Grammarly.
Media articles that mention a CVE ID that affects a product developed by Grammarly — matched by CVE ID, not by vendor name.