CVE-2012-4144: XSS

Published Aug 6, 2012
·
Updated

Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted HTML document.

Affected Software

47 affected components
Opera Opera Browser<=12.00
Opera Opera Browser=12.00-beta
Linux Linux kernel
Microsoft Windows
Opera Opera Browser<=11.65
Opera Opera Browser=10.00
Opera Opera Browser=10.00-beta1
Opera Opera Browser=10.00-beta2
Opera Opera Browser=10.00-beta3
Opera Opera Browser=10.01
Opera Opera Browser=10.10
Opera Opera Browser=10.10-beta1
Opera Opera Browser=10.11
Opera Opera Browser=10.50
Opera Opera Browser=10.50-beta1
Opera Opera Browser=10.50-beta2
Opera Opera Browser=10.51
Opera Opera Browser=10.52
Opera Opera Browser=10.52-beta1
Opera Opera Browser=10.52-beta2
Opera Opera Browser=10.53
Opera Opera Browser=10.53-b
Opera Opera Browser=10.53-beta1
Opera Opera Browser=10.54
Opera Opera Browser=10.60
Opera Opera Browser=10.60-beta1
Opera Opera Browser=10.61
Opera Opera Browser=10.62
Opera Opera Browser=10.63
Opera Opera Browser=11.00
Opera Opera Browser=11.00-beta
Opera Opera Browser=11.01
Opera Opera Browser=11.10
Opera Opera Browser=11.10-beta
Opera Opera Browser=11.11
Opera Opera Browser=11.50
Opera Opera Browser=11.50-beta
Opera Opera Browser=11.51
Opera Opera Browser=11.52
Opera Opera Browser=11.52.1100
Opera Opera Browser=11.60
Opera Opera Browser=11.60-beta
Opera Opera Browser=11.61
Opera Opera Browser=11.62
Opera Opera Browser=11.64
Opera Opera Browser=12.00
Apple iOS and macOS

Event History

Aug 6, 2012
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2012-4144?

CVE-2012-4144 has a moderate severity rating due to its potential to allow cross-site scripting (XSS) attacks.

2

How do I fix CVE-2012-4144?

To fix CVE-2012-4144, update your Opera browser to version 12.01 or later.

3

Which versions of Opera are affected by CVE-2012-4144?

CVE-2012-4144 affects Opera versions prior to 12.01 on Windows, UNIX, and Mac OS X, as well as versions below 11.66.

4

What type of vulnerability is CVE-2012-4144?

CVE-2012-4144 is a cross-site scripting (XSS) vulnerability that allows attackers to bypass XSS protection.

5

Can attackers exploit CVE-2012-4144 remotely?

Yes, attackers can exploit CVE-2012-4144 remotely by using crafted HTML documents.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203