CVE-2023-28159

Mozilla Firefox and 2 others: Improper Restriction of Rendered UI Layers or Frames

CVE-2023-28159 is fixed in 2 products on 1 platform, first by Mozilla Firefox (en-US) 111.0, released March 16, 2023. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.3
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0035
28th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Windows apps
Mozilla Firefox (en-US) 111.0 Mozilla Firefox (en-US) 111.0 Mar 16, 2023
Mozilla Firefox ESR (en-US) 115.4.0 Mozilla Firefox ESR (en-US) 115.4.0 Oct 17, 2023

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