CVE-2020-7369: Yandex Browser Address Bar Spooofing

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-10-20 · updated 2026-06-17
Weakness: CWE-451

Description

User Interface (UI) Misrepresentation of Critical Information vulnerability in the address bar of the Yandex Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects the Yandex Browser version 20.8.3 and prior versions, and was fixed in version 20.8.4 released October 1, 2020.

Affected products

Yandex N.V. Yandex Browser for desktop: before 20.8.4 — fixed in 20.8.4

How to fix

Upgrade to a fixed version: Yandex N.V. Yandex Browser for desktop 20.8.4. Check the vendor advisory for mitigations.

References

https://blog.rapid7.com/2020/10/20/vulntober-multiple-mobile-browser-address-bar-spoofing-vulnerabilities/
https://www.rafaybaloch.com/2020/10/multiple-address-bar-spoofing-vulnerabilities.html
https://blog.rapid7.com/2020/10/20/vulntober-multiple-mobile-browser-address-bar-spoofing-vulnerabilities/
https://www.rafaybaloch.com/2020/10/multiple-address-bar-spoofing-vulnerabilities.html

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