GHSA-68j8-fp38-p48q

### Impact The profile location routine in the referencevalidator commons package is vulnerable to [XML External Entities](https://owasp.org/www-project-top-ten/2017/A4_2017-XML_External_Entities_(XXE)) attack due to insecure defaults of the used Woodstox WstxInputFactory. A malicious XML resource can lead to network requests issued by referencevalidator and thus to a [Server Side Request Forgery](https://owasp.org/www-community/attacks/Server_Side_Request_Forgery) attack. The vulnerability impacts applications which use referencevalidator to process XML resources from untrusted sources. ### Patches The problem has been patched with the [2.5.1 version](https://github.com/gematik/app-referencevalidator/releases/tag/2.5.1) of the referencevalidator. Users are strongly recommended to update to this version or a more recent one. ### Workarounds A pre-processing or manual analysis of input XML resources on existence of DTD definitions or external entities can mitigate the problem. ### References - [OWASP Top 10 XXE](https://owasp.org/www-project-top-ten/2017/A4_2017-XML_External_Entities_(XXE)#) - [Server Side Request Forgery](https://owasp.org/www-community/attacks/Server_Side_Request_Forgery) - [OWASP XML External Entity Prevention Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_Sheet.html#transformerfactory)