CSRF in Mozilla Firefox
CVE-2023-4047
A bug in popup notifications delay calculation could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% 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
- Debian Linux — versions 11.0, 12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2023-29/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-30/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-31/ (Vendor Advisory)
- www.debian.org/security/2023/dsa-5464 (Third Party Advisory)
- www.debian.org/security/2023/dsa-5469 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/08/msg00008.html
- lists.debian.org/debian-lts-announce/2023/08/msg00010.html
Frequently asked questions
- What is CVE-2023-4047?
- CVE-2023-4047 is a high-severity vulnerability in Mozilla Firefox, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2023-08-01.
- How severe is CVE-2023-4047?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-4047 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.