Cross-site scripting (XSS) vulnerability in Opera.dll in Opera 9.52 allows remote attackers to inject arbitrary web script or HTML via the query string, which is not properly escaped before storage in the History Search database (aka md.dat), a different vector than CVE-2008-4696. NOTE: some of these issues were addressed before 9.60.
Conclusion & alert: CVE-2008-4725 is rated Exploit Available (59/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.89%, 91th percentile). Core evidence: 2 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 |
|---|---|---|---|---|
| 6801 | exploit_db | edb | 2008-10-22 | 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 | 2026-06-15 | 13.82% | 4.89% | -8.94% |
| 2 | 2025-12-13 | 12.23% | 13.82% | +1.60% |
| 3 | 2025-10-23 | — | 12.23% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
low | CVE-2008-4725 low priority: Ubuntu including 1 source packages (opera), 5 status rows across 5 suites (dapper, gutsy, hardy, intrepid, upstream): DNE 4, released 1. | https://ubuntu.com/security/CVE-2008-4725 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opera | opera_browser | 9.52 | cpe:2.3:a:opera:opera_browser:9.52:*:*:*:*:*:*:* |