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Vulnerability record · CVE-2020-25911 · published 31 October 2021

CVE-2020-25911: Modx revolution xml external entity (xxe) vulnerability

Modx · Modx Revolution

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).

9.1 CVSS 3.1 Critical EPSS 2.4% · top 16.7% CWE-611 · XML external entity (XXE)
9.1CVSS 3.1 base score, v2 6.4
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md ExploitThird Party Advisory
https://github.com/modxcms/revolution/issues/15237 PatchThird Party Advisory
https://github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md ExploitThird Party Advisory
https://github.com/modxcms/revolution/issues/15237 PatchThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-25911), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.