CVE-2023-28159

Name: CVE-2023-28159
Creator: NVD / NIST
Published: 2023-06-02T17:15:12.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-28159 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The fullscreen notification could have been hidden on Firefox for Android by using download popups, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

The fullscreen notification could have been hidden on Firefox for Android by using download popups, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 111.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.35%

26.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 111.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1783561Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-09/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1783561Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-09/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1783561Issue Tracking, Permissions Required, Vendor Advisory

Timeline

Published: Jun 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28159?

How severe is CVE-2023-28159?

CVE-2023-28159 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28159?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28159?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST