CVE-2010-4047
Opera before 10.63 does not properly select the security context of JavaScript code associated...
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
Exploit likelihood
What each source reports
NVD Score used
4.3
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
CVE-2010-4047- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
CVE-2010-4047- Updated
- 2026-11-02
EUVDEUVD-2010-4023 No score
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
EUVD-2010-4023- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5p2v-66x7-rhv6 No score
Opera before 10.63 does not properly select the security context of JavaScript code associated...
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
- Record
GHSA-5p2v-66x7-rhv6- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-4047 is a medium vulnerability (CVSS 4.3) in Opera Browser, published October 21, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. No source names a fixed version.
References
securitytracker.com/id?1024570
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12115
opera.com/docs/changelogs/mac/1063
opera.com/support/kb/view/976
secunia.com/advisories/41740
opera.com/docs/changelogs/unix/1063
opera.com/docs/changelogs/windows/1063
nvd.nist.gov/vuln/detail/CVE-2010-4047
github.com/advisories/GHSA-5p2v-66x7-rhv6