MODX allows cross-site scripting (XSS) via an SVG file

published 2025-03-13 19 mo ago modified 2026-09-10 1 mo ago also GHSA-hm54-fg2w-2g6j , EUVD-2025-6306

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

A cross-site scripting (XSS) vulnerability has been identified in MODX prior to 3.1.0. The vulnerability allows authenticated users to upload SVG files containing malicious JavaScript code as profile images, which gets executed in victims' browsers when viewing the profile image.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-19)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/rtnthakur/CVE/blob/main/MODX/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	modx/revolution	<=3.1.0	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /rtnthakur/CVE/blob/main/MODX/README.md
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2025-28010
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