CVE-2023-6280: XML External Entity Reference on 52North WPS

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-19 · updated 2026-06-17
Weakness: CWE-611

Description

An XXE (XML External Entity) vulnerability has been detected in 52North WPS affecting versions prior to 4.0.0-beta.11. This vulnerability allows the use of external entities in its WebProcessingService servlet for an attacker to retrieve files by making HTTP requests to the internal network.

Affected products

52North WPS: before 4.0.0; 4.0.0-beta1, 4.0.0-beta10, 4.0.0-beta2, 4.0.0-beta3, 4.0.0-beta4, 4.0.0-beta5 (+4) — fixed in 4.0.0

How to fix

Upgrade to a fixed version: 52North WPS 4.0.0. Check the vendor advisory for mitigations.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/xml-external-entity-reference-52north-wps
https://www.incibe.es/en/incibe-cert/notices/aviso/xml-external-entity-reference-52north-wps

Get alerted when CVE-2023-6280 or the next vulnerability affects your stack