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JVN#91383083: Seasar S2Struts vulnerable to input validation bypass

Description

The Validator in Apache Struts 1.1 and later contains a function (MPV -- Multi Page Validator) to efficiently define rules for input validation across multiple pages during screen transitions. The MPV contains a vulnerability where input validation may be bypassed. When the Apache Struts 1 Validator is used, the web application may be vulnerable even when the MPV is not used explicitly. ## Impact Input validation being bypassed may result in invalid data being entered into the database. Affects of the vulnerability depend on the application. ## Solution **Apply an Update** Update to the latest version according to the information provided by the developer. ## Products Affected * S2Struts 1.2.13 and earlier * S2Struts 1.3.2 and earlier


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