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pentesting-web/ssti-server-side-template-injection/README.md
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@ -331,6 +331,11 @@ Payload: {{'a'.getClass().forName('javax.script.ScriptEngineManager').newInstanc
### Expression Language - EL \(Java\)
* `${"aaaa"}` - "aaaa"
* `${99999+1}` - 100000.
* `#{7*7}` - 49
* `{{7*7}}` - 49
EL provides an important mechanism for enabling the presentation layer \(web pages\) to communicate with the application logic \(managed beans\). The EL is used by **several JavaEE technologies**, such as JavaServer Faces technology, JavaServer Pages \(JSP\) technology, and Contexts and Dependency Injection for Java EE \(CDI\).
Check the following page to learn more about the **exploitation of EL interpreters**: