CVE-2023-25743

Mozilla Firefox and 2 others: A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing…

CVE-2023-25743 is fixed in 5 products on 2 platforms, first by Mozilla Firefox (en-US) 110.0, released February 16, 2023. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms

CVSS

7.5

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0065

51st percentile

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>*This bug only affects Firefox Focus. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Mozilla Firefox (en-US)	110.0	Mozilla Firefox (en-US) 110.0	Feb 16, 2023
Mozilla Firefox ESR (en-US)	115.4.0	Mozilla Firefox ESR (en-US) 115.4.0	Oct 17, 2023
Linux
firefox · RHEL 8	0:102.8.0-2.el8_7	RHSA-2023:0808	Feb 20, 2023
firefox · RHEL 9	0:102.8.0-2.el9_1	RHSA-2023:0810	Feb 20, 2023
firefox · almalinux 8	102.8.0-2.el8_7.alma	ALSA-2023:0808	Feb 20, 2023
firefox · almalinux 9	102.8.0-2.el9_1.alma	ALSA-2023:0810	Feb 20, 2023
firefox · ol 8	0:102.8.0-2.0.1.el8_7	ELSA-2023-0808	Feb 20, 2023
firefox · ol 9	0:102.8.0-2.0.1.el9_1	ELSA-2023-0810	Feb 20, 2023
firefox · rocky 8	0:102.8.0-2.el8_7	RLSA-2023:0808	Feb 22, 2023
firefox · rocky 9	0:102.8.0-2.el9_1	RLSA-2023:0810	Feb 22, 2023
firefox-x11 · RHEL 9	0:102.8.0-2.el9_1	RHSA-2023:0810	Feb 20, 2023
firefox-x11 · almalinux 9	102.8.0-2.el9_1.alma	ALSA-2023:0810	Feb 20, 2023
firefox-x11 · ol 9	0:102.8.0-2.0.1.el9_1	ELSA-2023-0810	Feb 20, 2023
thunderbird · RHEL 8	0:102.8.0-2.el8_7	RHSA-2023:0821	Feb 20, 2023
thunderbird · RHEL 9	0:102.8.0-2.el9_1	RHSA-2023:0824	Feb 20, 2023
thunderbird · almalinux 8	102.8.0-2.el8_7.alma	ALSA-2023:0821	Feb 20, 2023
thunderbird · almalinux 9	102.8.0-2.el9_1.alma	ALSA-2023:0824	Feb 20, 2023
thunderbird · ol 8	0:102.8.0-2.0.1.el8_7	ELSA-2023-0821	Feb 20, 2023
thunderbird · ol 9	0:102.8.0-2.0.1.el9_1	ELSA-2023-0824	Feb 20, 2023
thunderbird · rocky 8	0:102.8.0-2.el8_7	RLSA-2023:0821	Feb 22, 2023
thunderbird · rocky 9	0:102.8.0-2.el9_1	RLSA-2023:0824	Feb 22, 2023

Details

Published
February 20, 2023
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-25743

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