MODX Revolution allows XSS via document resources

published 2019-02-06 7 y ago modified 2026-06-17 4 mo ago also GHSA-fpxg-5x79-43rm , EUVD-2018-13299

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

MODX Revolution through v2.7.0-pl allows XSS via a document resource (such as pagetitle), which is mishandled during an Update action, a Quick Edit action, or the viewing of manager logs.

Patch / fix

fixed in 1 links 3

packagist modx/revolution 2.7.1-pl

github.com/modxcms/revolution@71f894e commit
github.com/modxcms/revolution#14335 pull request
github.com/modxcms/revolution/issues/14105 advisory

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/modxcms/revolution/issues/14105 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	modx/revolution	<2.7.1-pl	2.7.1-pl

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /modxcms/revolution/issues/14105
web, exploit, patch, third-party-advisory
github.com /modxcms/revolution/pull/14335
web
github.com /modxcms/revolution/commit/71f894ee55dc4eed10538979761d6c94e8cd1078
web
nvd.nist.gov /vuln/detail/CVE-2018-20756
advisory
github.com /modxcms/revolution
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary