{"id":"CVE-2020-25911","aliases":["BIT-modx-2020-25911","GHSA-vhfp-9wvj-gwvg"],"url":"https://o3.security/vulnerability/CVE-2020-25911","summary":"XML External Entity vulnerability in MODX CMS","details":"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).","published":"2021-10-31T19:15:09.780Z","modified":"2026-07-08T19:02:51.569737Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"epss":{"score":0.02308,"percentile":0.81897,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"modx/revolution","fixedVersion":"2.8.0"}],"fix":null,"references":[{"type":"FIX","url":"https://github.com/modxcms/revolution/issues/15237"},{"type":"EVIDENCE","url":"https://github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:02:51.569737Z"}}