Opera before 12.13 allows remote attackers to execute arbitrary code via vectors involving DOM events.
Conclusion & alert: CVE-2013-1637 is rated High Risk (67/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.55%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-11-01 | 5.76% | 4.55% | -1.21% |
| 2 | 2025-03-30 | 6.95% | 5.76% | -1.19% |
| 3 | 2025-03-29 | — | 6.95% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2013-1637: 1 GLSA(s) (201406-14), 1 atom(s) (www-client/opera); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-1637 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opera | opera_browser | <= 12.12 | cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* |
| opera | opera_browser | 12.00 | cpe:2.3:a:opera:opera_browser:12.00:*:*:*:*:*:*:* |
| opera | opera_browser | 12.00 | cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:* |
| opera | opera_browser | 12.01 | cpe:2.3:a:opera:opera_browser:12.01:*:*:*:*:*:*:* |
| opera | opera_browser | 12.02 | cpe:2.3:a:opera:opera_browser:12.02:*:*:*:*:*:*:* |
| opera | opera_browser | 12.10 | cpe:2.3:a:opera:opera_browser:12.10:*:*:*:*:*:*:* |
| opera | opera_browser | 12.10 | cpe:2.3:a:opera:opera_browser:12.10:beta:*:*:*:*:*:* |
| opera | opera_browser | 12.11 | cpe:2.3:a:opera:opera_browser:12.11:*:*:*:*:*:*:* |