CVE-2023-29533
MEDIUM severity · CVSS 4.3
4.3CVSS MEDIUM
Summary
A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> 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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1798219Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1814597Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-13/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-14/Advisory
- https://www.mozilla.org/security/advisories/mfsa2023-15/Advisory