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It is generally not advisable to have debug mode switched on outside of the development environment. Debug mode should always be turned off in production setup. Also never expose JSPs files directly and hide them inside WEB-INF folder or define dedicated security constraints to block access to raw JSP files. Please also ready our Security guide - it contains useful informations how to secure your application.

Struts >= 2.3.20 is not vulnerable to this attack. We recommend upgrading to Struts 2.3.20 or higher.Please also ready our Security guide - it contains useful informations how to secure your application.

Backward compatibility

No backward compatibility problems are expected.

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