CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	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 Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability was found in Symphony CMS up to 2.6.9 (Content Management System) and classified as problematic. This issue affects an unknown functionality of the file template/usererror.missing_extension.php. The manipulation of the argument existing-folder 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:

Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.

The bug was discovered 01/20/2017. The weakness was disclosed 01/20/2017 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-5542 since 01/19/2017. 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 of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:template/usererror.missing_extension.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.6.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95686†). The entry VDB-95746 is pretty similar.

Productinfo

Type

• Content Management System

Vendor

• Symphony

Name

• CMS

Version

• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 2.6.9

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

OpenVAS ID: 803094
OpenVAS Name: Symphony CMS < 2.6.10 Cross-Site Scripting and Directory Traversal Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 2.6.10

Timelineinfo

01/19/2017 🔍
01/20/2017 +1 days 🔍
01/20/2017 +0 days 🔍
01/20/2017 +0 days 🔍
01/20/2017 +0 days 🔍
01/20/2017 +0 days 🔍
11/03/2022 +2113 days 🔍

Sourcesinfo

Advisory: 2639⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5542 (🔍)
SecurityFocus: 95686 - Symphony CMS CVE-2017-5542 Cross Site Scripting Vulnerability
OSVDB: - CVE-2017-5542 - Symphony - Cross-Site Scripting Issue

See also: 🔍

Entryinfo

Created: 01/20/2017 03:13 PM
Updated: 11/03/2022 07:25 AM
Changes: 01/20/2017 03:13 PM (65), 07/28/2020 03:30 PM (6), 11/03/2022 07:25 AM (4)
Complete: 🔍
Cache ID: 18:AD4:40

Discussion

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