Vulnerability in Mozilla Firefox
CVE-2024-1550
A malicious website could have used a combination of exiting fullscreen mode and `requestPointerLock` to cause the user's mouse to be re-positioned unexpectedly, which could have led to user confusion and inadvertently granting permissions they did not intend to grant. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% 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 Thunderbird — versions unspecified
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.mozilla.org/show_bug.cgi (Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2024-05/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-06/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2024-07/ (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2024/03/msg00000.html (Mailing List)
- lists.debian.org/debian-lts-announce/2024/03/msg00001.html (Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-1550?
- CVE-2024-1550 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 6.1/10. Published 2024-02-20.
- How severe is CVE-2024-1550?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2024-1550 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.