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Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

CVE-2009-1275

Medium
6.1/10

Summary

Apache Tiles 2.1.x prior to 2.1.2, as used in Apache Struts and other products, evaluates Expression Language (EL) expressions twice in certain circumstances, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information via unspecified vectors, related to the (1) "tiles:putAttribute" and (2) "tiles:insertTemplate" JSP tags.

  • LOW
  • NETWORK
  • LOW
  • CHANGED
  • REQUIRED
  • NONE
  • LOW
  • NONE

CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

The software constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

References

Advisory Timeline

  • Published