Contenido CMS 4.9.11 com_adagency main.php filter/action/year/subject/idtpl Backend cross site scripting

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.
3.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Contenido CMS 4.9.11. This affects an unknown function of the file main.php of the component com_adagency. Such manipulation of the argument filter/action/year/subject/idtpl leads to cross site scripting (Backend). It is possible to launch the attack remotely. Furthermore, an exploit is available. It is suggested to apply the recommended workaround.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Contenido CMS 4.9.11 (Content Management System). Affected by this issue is an unknown function of the file main.php of the component com_adagency. The manipulation of the argument filter/action/year/subject/idtpl with an unknown input leads to a cross site scripting vulnerability (Backend). Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity.

The weakness was published 10/10/2016 by Benjamin Kunz Mejri as VL-ID 1928 as not defined advisory (Website). The advisory is shared for download at vulnerability-lab.com. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. The exploit is available at vulnerability-lab.com. It is declared as proof-of-concept. By approaching the search of inurl:main.php it is possible to find vulnerable targets with Google Hacking.

The best possible mitigation is suggested to be Workaround.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Name: Backend
Class: Cross site scripting / Backend
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Benjamin Kunz Mejri
Download: 🔍
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

10/10/2016 🔍
10/10/2016 +0 days 🔍
10/12/2016 +2 days 🔍
05/07/2019 +937 days 🔍

Sourcesinfo

Advisory: VL-ID 1928
Researcher: Benjamin Kunz Mejri
Status: Not defined

GCVE (VulDB): GCVE-100-92540
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/12/2016 09:49
Updated: 05/07/2019 17:00
Changes: 10/12/2016 09:49 (47), 05/07/2019 17:00 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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