Vulnerability in Mozilla Firefox
CVE-2023-29533
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Firefox For Android — versions unspecified
- Mozilla Firefox Mobile
- Mozilla Focus
- Mozilla Focus For Android — versions unspecified
- Mozilla Thunderbird — versions unspecified
References
- www.mozilla.org/security/advisories/mfsa2023-15/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-14/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-13/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-29533?
- CVE-2023-29533 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 4.3/10. Published 2023-06-02.
- How severe is CVE-2023-29533?
- Medium severity. CVSS v3 base score is 4.3 out of 10.