CVE-2010-4045

no score yetEPSS 5.0%

Opera before 10.63 does not properly restrict web script in unspecified circumstances involving reloads and redirects, which allows remote attackers to spoof the Address Bar, conduct cross-site scripting (XSS) attacks, and possibly execute arbitrary code by leveraging the ability of a script to interact with a web page from (1) a different domain or (2) a different security context.

EPSS: 5.0% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-264
Published: 2010-10-21
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

opera:opera_browser

References

http://secunia.com/advisories/41740
http://securitytracker.com/id?1024570
http://www.opera.com/docs/changelogs/mac/1063/
http://www.opera.com/docs/changelogs/unix/1063/
http://www.opera.com/docs/changelogs/windows/1063/

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