Search/CVE-2023-29533
● CVE — Medium

CVE-2023-29533

VendormozillaProductfirefox, thunderbird, firefox esr, focus, firefox mobileDiscoveredJun 2, 2023UpdatedAug 19, 2026

A website could have obscured the fullscreen notification by using a combination of window.open , fullscreen requests, window.name assignments, and setInterval calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

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CVSS v3.1
4.3 MEDIUM
EPSS
0.57%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 19, 2026
● 0.00pp
0.56% → 0.57% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Connections
5 relationships
Timeline
disclosure → media coverage
Jun 2, 2023
Disclosure — published as a CVE record. · last revised by NVD Aug 19, 2026