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.
CVE-2010-4045
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 5%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 91.1%
- KEV
- Not listed
Published
October 21, 2010
Last Modified
April 29, 2026
References (14)
- cve@mitrehttp://secunia.com/advisories/41740
- cve@mitrehttp://securitytracker.com/id?1024570
- cve@mitrehttp://www.opera.com/docs/changelogs/mac/1063/
- cve@mitrehttp://www.opera.com/docs/changelogs/unix/1063/
- cve@mitrehttp://www.opera.com/docs/changelogs/windows/1063/
- cve@mitrehttp://www.opera.com/support/kb/view/973/
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12071
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/41740
- af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1024570
- af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/mac/1063/
- af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/unix/1063/
- af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/docs/changelogs/windows/1063/
- af854a3a-2127-422b-91ae-364da2661108http://www.opera.com/support/kb/view/973/
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12071
Data Freshness Timeline
(refreshed 6× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 02:19 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2010-4045?
CVE-2010-4045 is a none vulnerability published on October 21, 2010. 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…
When was CVE-2010-4045 disclosed?
CVE-2010-4045 was first published in the National Vulnerability Database on October 21, 2010, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2010-4045 actively exploited?
CVE-2010-4045 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2010-4045?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2010-4045, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2010-4045
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