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CVE-2025-4639: Improper Restriction of XML External Entity Reference in Peergos

8.8 CVSS

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.

Classification

CVE ID: CVE-2025-4639

CVSS Base Severity: HIGH

CVSS Base Score: 8.8

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:L/SI:N/SA:N

Problem Types

CWE-611 Improper Restriction of XML External Entity Reference

Affected Products

Vendor: Peergos

Product: Peergos

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.06% (probability of being exploited)

EPSS Percentile: 20.0% (scored less or equal to compared to others)

EPSS Date: 2025-06-12 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4639
https://github.com/Peergos/Peergos/pull/1267

Timeline