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  5. CVE-2020-25911

CVE-2020-25911: Improper Restriction of XML External Entity Reference

November 1, 2021 (updated November 3, 2021)

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).

References

  • github.com/advisories/GHSA-vhfp-9wvj-gwvg
  • github.com/dahua966/Vul_disclose/blob/main/XXE_modxcms.md
  • github.com/modxcms/revolution/issues/15237
  • github.com/modxcms/revolution/pull/15238
  • github.com/modxcms/revolution/pull/15238/commits/1b7ffe02df30f05dbf67dd15e4d8101687c1585a
  • nvd.nist.gov/vuln/detail/CVE-2020-25911

Code Behaviors & Features

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Affected versions

All versions before 2.8.0

Fixed versions

  • 2.8.0

Solution

Upgrade to version 2.8.0 or above.

Impact 9.1 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-611: Improper Restriction of XML External Entity Reference

Source file

packagist/modx/revolution/CVE-2020-25911.yml

Spotted a mistake? Edit the file on GitLab.

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