CVE-2022-45413

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-22 · updated 2026-06-17
Weakness: CWE-601

Description

Using the <code>S.browser_fallback_url parameter</code> parameter, an attacker could redirect a user to a URL and cause SameSite=Strict cookies to be sent.<br>*This issue only affects Firefox for Android. Other operating systems are not affected.*. This vulnerability affects Firefox < 107.

Affected products

Mozilla Firefox: before 107.0 — fixed in 107.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 107.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1791201
https://www.mozilla.org/security/advisories/mfsa2022-47/
https://bugzilla.mozilla.org/show_bug.cgi?id=1791201
https://www.mozilla.org/security/advisories/mfsa2022-47/
https://bugzilla.mozilla.org/show_bug.cgi?id=1791201

Get alerted when CVE-2022-45413 or the next vulnerability affects your stack