CVE-2010-4047 json
Opera before 10.63 does not properly select the security context of JavaScript code associated with an error page, which allows user-assist…
published 2010-10-21 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-4023
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
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 prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
opera.com
/support/kb/view/976/
vendor-advisory
-
secunia.com
/advisories/41740
third-party-advisory, vendor-advisory
-
securitytracker.com
/id?1024570
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12115
vdb-entry, signature
- opera.com /docs/changelogs/mac/1063/
- opera.com /docs/changelogs/unix/1063/
- opera.com /docs/changelogs/windows/1063/
Sources
- CVE List CVE-2010-4047
- NVD CVE-2010-4047
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.