CVE-2022-22762

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% 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-451

Description

Under certain circumstances, a JavaScript alert (or prompt) could have been shown while another website was displayed underneath it. This could have been abused to trick the user. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97.

Affected products

Mozilla Firefox: before 97.0 — fixed in 97.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 97.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1743931
https://www.mozilla.org/security/advisories/mfsa2022-04/
https://bugzilla.mozilla.org/show_bug.cgi?id=1743931
https://www.mozilla.org/security/advisories/mfsa2022-04/
https://bugzilla.mozilla.org/show_bug.cgi?id=1743931

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