CVE-2010-4045
Opera before 10.63 does not properly restrict web script in unspecified circumstances involving...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2010-4045- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2010-4045- Updated
- 2026-11-02
EUVDEUVD-2010-4021 No score
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.
- Record
EUVD-2010-4021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mp32-2fr5-7fpp No score
Opera before 10.63 does not properly restrict web script in unspecified circumstances involving...
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.
- Record
GHSA-mp32-2fr5-7fpp- 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-2010-4045 is a high vulnerability (CVSS 9.3) 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 4.96%, the 92nd percentile. No source names a fixed version.
References
opera.com/support/kb/view/973
securitytracker.com/id?1024570
secunia.com/advisories/41740
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12071
nvd.nist.gov/vuln/detail/CVE-2010-4045
github.com/advisories/GHSA-mp32-2fr5-7fpp