Netscape and Mozilla Java tab spoofing

netscape-java-tab-spoofing (17137) The risk level is classified as MediumMedium Risk


Netscape version 7.2 running on Mac OS X 10.3.5 could allow a remote attacker to spoof the content of an HTML document, caused by a vulnerability when Java applets are displayed in a window when multiple tabs are used. A remote attacker could spoof content of an HTML document in a Java applet on one tab from another HTML document in a different tab. A remote attacker could exploit this vulnerability by creating a malicious Web page and hosting it on a Web site.

Note: Mozilla version 1.7.2 and Firefox version 0.9.3 running on Mac OS X 10.3.5 are also affected by this vulnerability.


Obtain Information


No remedy available as of September 1, 2014.


  • BID-11059: Mozilla/Netscape/Firefox Browsers XPCOM Plug-In For Apple Mac OSX Content Spoofing Vulnerability
  • CVE-2004-1753: The Apple Java plugin, as used in Netscape 7.1 and 7.2, Mozilla 1.7.2, and Firefox 0.9.3 on MacOS X 10.3.5, when tabbed browsing is enabled, does not properly handle SetWindow(NULL) calls, which allows Java applets from one tab to draw to other tabs and facilitates phishing attacks that spoof tabs.
  • OSVDB ID: 9270: Netscape Navigator Java Applet Tab Spoofing
  • SA12392: Netscape Apple Java Plugin Tab Spoofing Vulnerability

Platforms Affected:

  • Apple Mac OS X 10.3.5
  • Mozilla Firefox 0.9.3
  • Mozilla Mozilla 1.7.2
  • Netscape Navigator 7.2


Aug 27, 2004

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