XML External Entity vulnerability in MODX CMS
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).
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | modx/revolution | < 2.8.0 | 2.8.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-25911
- https://github.com/modxcms/revolution/issues/15237
- https://github.com/modxcms/revolution/pull/15238
- https://github.com/modxcms/revolution/pull/15238/commits/1b7ffe02df30f05dbf67dd15e4d8101687c1585a
- https://github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md
- https://github.com/modxcms/revolution
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H- Weakness (CWE)
CWE-611- Platform
- Composer
- Package
modx/revolution- Disclosed
- 01.11.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vhfp-9wvj-gwvg - CC BY 4.0
Vulnerability history: modx/revolution
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 14
- First → latest
- 11.2021 03.2025
- Without a fix
- 2
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 5
- Medium 7
- Low 1
Disclosures per year
- 2021: 1
- 2022: 12
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 0
-
XML External Entity vulnerability in MODX CMS this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.