IBM Support

webMethods Knowlegebase : XXE (XML eXternal Entities) vulnerability (1790796)

Troubleshooting


Problem

A possible XXE (XML eXternal Entities) attack via the Edit Page portlet in My webMethods Server 9.7. The vulnerability allows to insert malicious XML and perform various attacks such as:

1. Billion laughs attack(https://en.wikipedia.org/wiki/Billion_laughs_attack)

2. Sending HTTP requests to remote sites

3. Executing bash scripts code at the machine where the webMethods runs and reading file contents of the files from remote server.

Document Location

Worldwide

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Document Information

Modified date:
20 March 2025

UID

ibm17215564