A XML External Entity (XXE) vulnerability was discovered in the modRestServiceRequest component in MODX CMS 2.7.3 which can lead to an information disclosure or denial of service (DOS).
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25911
Reference (s):
- https://github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md
- https://github.com/modxcms/revolution/issues/15237