CVE-2023-5721

Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.35%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1830820 vendor advisory issue tracking
https://www.mozilla.org/security/advisories/mfsa2023-45/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-46/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-47/ vendor advisory
https://www.debian.org/security/2023/dsa-5535 third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html third party advisory mailing list
https://www.debian.org/security/2023/dsa-5538 third party advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-5721?
CVE-2023-5721 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5721?
To fix CVE-2023-5721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5721 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5721?
CVE-2023-5721 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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