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Vulnerability record · CVE-2017-7320 · published 30 March 2017

CVE-2017-7320: Modx revolution cross-site scripting vulnerability

Modx · Modx Revolution

setup/controllers/language.php in MODX Revolution 2.5.4-pl and earlier does not properly constrain the language parameter, which allows remote attackers to conduct Cookie-Bombing attacks and cause a denial of service (cookie quota exhaustion), or conduct HTTP Response Splitting attacks with resultant XSS, via an invalid parameter value.

6.1 CVSS 3.1 Medium EPSS 0.87% · top 42.4% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.87%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

setup/controllers/language.php in MODX Revolution 2.5.4-pl and earlier does not properly constrain the language parameter, which allows remote attackers to conduct Cookie-Bombing attacks and cause a denial of service (cookie quota exhaustion), or conduct HTTP Response Splitting attacks with resultant XSS, via an invalid parameter value.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/97228 Third Party AdvisoryVDB Entry
https://mazinahmed.net/services/public-reports/ModX%20-%20Responsible%20Disclosure%20-%20January%202017.pdf ExploitTechnical DescriptionThird Party Advisory
http://www.securityfocus.com/bid/97228 Third Party AdvisoryVDB Entry
https://mazinahmed.net/services/public-reports/ModX%20-%20Responsible%20Disclosure%20-%20January%202017.pdf ExploitTechnical DescriptionThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-7320), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.