VDB-101489 · CVE-2017-9071 · Qualys 11823

MODX Revolution up to 2.5.6 HTTP Header Host cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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A vulnerability was found in MODX Revolution up to 2.5.6 (Content Management System) and classified as problematic. This issue affects an unknown part of the component HTTP Header Handler. The manipulation of the argument Host with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

In MODX Revolution before 2.5.7, an attacker might be able to trigger XSS by injecting a payload into the HTTP Host header of a request. This is exploitable only in conjunction with other issues such as Cache Poisoning.

The bug was discovered 04/26/2017. The weakness was shared 05/18/2017 (Website). The advisory is shared at citadelo.com. The identification of this vulnerability is CVE-2017-9071 since 05/18/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11823 (MODX Revolution Multiple Security Vulnerabilities).

Upgrading to version 2.5.7 eliminates this vulnerability.







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 800626
OpenVAS Name: MODX Revolution CMS Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Revolution 2.5.7
Patch: github.com


04/26/2017 🔍
05/18/2017 +22 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/19/2017 +1 days 🔍
12/06/2022 +2027 days 🔍


Vendor: modx.com

Advisory: citadelo.com
Status: Not defined

CVE: CVE-2017-9071 (🔍)
OSVDB: - CVE-2017-9071 - MODX Revolution - Cross-Site Scripting Issue


Created: 05/19/2017 09:12 AM
Updated: 12/06/2022 04:38 PM
Changes: 05/19/2017 09:12 AM (67), 09/30/2020 11:54 AM (2), 12/06/2022 04:38 PM (4)
Complete: 🔍
Cache ID: 44:474:40


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