Description
The fbgames protocol handler registered as part of Facebook Gameroom does not properly quote arguments passed to the executable. That allows a malicious URL to cause code execution. This issue affects versions prior to v1.26.0.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.facebook.com/security/advisories/cve-2021-24030
Scores
CVSS v3
9.8
EPSS
0.0169
EPSS Percentile
74.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-88
Status
published
Products (1)
facebook/gameroom
< 1.26.0
Published
Mar 10, 2021
Tracked Since
Feb 18, 2026