In Valve Steam 1528829181 BETA, it is possible to perform a homograph / homoglyph attack to create fake URLs in the client, which may trick users into visiting unintended web sites.
https://github.com/VixusFoxy/CVE/wiki/CVE-2018-12270
Source: Mitre, NVD
Published: 2019-05-20
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS: 0.00238