Firefox 1.0.3 allows remote attackers to execute arbitrary Javascript in other domains by using an IFRAME and causing the browser to navigate to a previous javascript: URL, which can lead to arbitrary code execution when combined with CVE-2005-1477.
Conclusion & alert: CVE-2005-1476 is rated High Exploit Risk (74.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 49.76%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +11.61% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 986 | exploit_db | edb | 2005-05-07 | Exploit-DB ↗ |
| — | 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 | 2025-08-08 | 38.15% | 49.76% | +11.61% |
| 2 | 2025-03-30 | 49.15% | 38.15% | -11.00% |
| 3 | 2025-03-29 | — | 49.15% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2005-1476 |
ubuntu
|
medium | CVE-2005-1476 medium priority: Ubuntu including 4 source packages (firefox, firefox-granparadiso, lightning-sunbird, midbrowser), 16 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 9, needs-triage 4, released 3. | https://ubuntu.com/security/CVE-2005-1476 |