Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2012-3556

9.3 · HIGH

Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to con…

Published Jun 14, 2012operaCWE-20EPSS 3.70%

Overview

CVE-2012-3556 is a high-severity vulnerability affecting opera opera_browser. It was published on June 14, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.

Remediation

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
operaopera_browser0Affected

References

Refwww.opera.com/docs/changelogs/mac/1165/Refwww.opera.com/docs/changelogs/mac/1200/Refwww.opera.com/docs/changelogs/unix/1200/Refwww.opera.com/docs/changelogs/windows/1200/Refwww.opera.com/support/kb/view/1020/Refwww.opera.com/docs/changelogs/mac/1165/Refwww.opera.com/docs/changelogs/mac/1200/Refwww.opera.com/docs/changelogs/unix/1200/Refwww.opera.com/docs/changelogs/windows/1200/Refwww.opera.com/support/kb/view/1020/

How CyberStrike helps

Frequently asked questions

What is CVE-2012-3556?

CVE-2012-3556 is a high-severity vulnerability affecting opera opera_browser. It was published on June 14, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2012-3556?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-3556?

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-3556?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-3556 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2012

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999