CVE-2017-1000223

Name: CVE-2017-1000223
Creator: NVD / NIST
Published: 2017-11-17T05:29:00.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.50%

Last modified Jun 17, 2026

CVE-2017-1000223 is a vulnerability of currently unknown severity. A stored web content injection vulnerability (WCI, a.k.a XSS) is present in MODX Revolution CMS version 2.5.6 and earlier. An authenticated user with permissions to edit users can save malicious JavaScript as a User Group name and potentially take control over victims' accounts. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

A stored web content injection vulnerability (WCI, a.k.a XSS) is present in MODX Revolution CMS version 2.5.6 and earlier. An authenticated user with permissions to edit users can save malicious JavaScript as a User Group name and potentially take control over victims' accounts. This can lead to an escalation of privileges providing complete administrative control over the CMS.

Metrics

EPSS Probability

0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Modx	Modx Revolution	<= 2.5.6

References

https://raw.githubusercontent.com/modxcms/revolution/v2.5.7-pl/core/docs/changelog.txtRelease Notes, Third Party Advisory
https://raw.githubusercontent.com/modxcms/revolution/v2.5.7-pl/core/docs/changelog.txtRelease Notes, Third Party Advisory

Timeline

Published: Nov 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-1000223?

How severe is CVE-2017-1000223?

Severity scoring for CVE-2017-1000223 is pending analysis. The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2017-1000223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-1000223?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST