PUBLISHED DATE: May 14, 2025CVE-2025-4639:
Improper Restriction of XML External Entity Reference Vulnerability

Description

CWE-611 Improper Restriction of XML External Entity Reference in the getDocumentBuilder() method of WebDav servlet in Peergos. This issue affects Peergos through version 1.1.0.

Questions to Ask Vendors

1. Can you confirm whether your systems are affected by CVE-2025-4639, and if so, what steps are you currently taking to mitigate this vulnerability?
2. What is your estimated timeline for fully resolving CVE-2025-4639 in your products or services, and how will you communicate updates on this issue to us as your customer?

Recommended Actions

• Check out the advisory links provided below.

References

• http://webappsec.pbworks.com/XML-External-Entities
• https://capec.mitre.org/data/definitions/221.html
• https://nvd.nist.gov/vuln/detail/CVE-2025-4639