Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file that references the IPFS scheme. This vulnerability is caused by an uncaught exception in the function ipfs::OnBeforeURLRequest_IPFSRedirectWork() in ipfs_redirect_network_delegate_helper.cc.
Conclusion & alert: CVE-2022-47933 is rated Exploit Available (59.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.82%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.73% | 0.82% | +0.09% |
| 2 | 2026-01-06 | 0.93% | 0.73% | -0.20% |
| 3 | 2025-12-27 | — | 0.93% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| URL | Tags |
|---|---|
| https://github.com/brave/brave-browser/issues/23646 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/brave/brave-browser/issues/24378 | Issue Tracking Release Notes Third Party Advisory |
| https://github.com/brave/brave-core/commit/7ef8cb2f232abdf59ec9c3c99a086a14b972bc56 | Patch Third Party Advisory |
| https://github.com/brave/brave-core/pull/13989 | Patch Third Party Advisory |
| https://hackerone.com/reports/1610343 | Permissions Required Third Party Advisory |