Medium 4.3Published Jul 8, 2010

CVE-2010-2665Cross-site scripting (XSS) vulnerability in Opera before 10.54 on Windows and Mac OS X, and before 10.11 on UNIX platforms, allows remote attackers to inject arbitrary web script or HTML via a data:…

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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Cross-site scripting (XSS) vulnerability in Opera before 10.54 on Windows and Mac OS X, and before 10.11 on UNIX platforms, allows remote attackers to inject arbitrary web script or HTML via a data: URI, related to incorrect detection of the "opening site."

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

opera opera_browser opera:opera_browser	through 10.53; 5.0; 5.0; 5.0; 5.0; 5.0; 5.0; 5.0; and 193 more ranges	NVD

References

References

http://secunia.com/advisories/40250	vendor-advisory
http://www.opera.com/docs/changelogs/mac/1054/
http://www.opera.com/docs/changelogs/unix/1011/
http://www.opera.com/docs/changelogs/windows/1054/
http://www.opera.com/support/kb/view/955/	vendor-advisory
http://www.securityfocus.com/bid/40973
http://www.vupen.com/english/advisories/2010/1529	patch, vendor-advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/60646
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11362

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.