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Published: 07th May 2020

Severity: High

CVSS Score: 8.7 (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:H)


WSO2 API Manager : 3.0.0 or earlier
WSO2 API Manager Analytics : 2.5.0 or earlier
WSO2 API Microgateway : 2.2.0
WSO2 Enterprise Integrator : 6.4.0 or earlier
WSO2 IS as Key Manager : 5.9.0 or earlier
WSO2 Identity Server : 5.9.0 or earlier
WSO2 Identity Server Analytics : 5.6.0 or earlier


It has identified that Management Console is vulnarable to a XXE attack when updating a EventPublisher.


In event-publisher component, secure processing feature has not been enabled for XML parsers to prevent XXE attacks.


The XXE attacks can affect any trusted system respective to the machine where the parser is located. This attack may result in disclosing local files, denial of service, server-side request forgery, port scanning and other system impacts on affected systems.


If you are using an affected product version, it is highly recommended to migrate to the latest released version to receive security fixes.

You may also apply the relevant fixes based on the changes from the public fix:

Note: If you are a WSO2 customer with Support Subscription, please use WSO2 Update Manager (WUM) updates in order to apply the fix.


WSO2 thanks, Paweł Hałdrzyński (Limpid Securityfor responsibly reporting the identified issue and working with us as we addressed it.