CVE-2023-5725

Description

A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

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

References

Link	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1845739	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-2023-5725?: CVE-2023-5725 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5725?: To fix CVE-2023-5725, 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-2023-5725 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-5725 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-2023-5725?: CVE-2023-5725 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.

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