2020-25391 | CSZ CMS Pages Content cross site scripting

By Max On Jul 15, 2021

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.
4.4	$0-$5k	0.22

A vulnerability classified as problematic was found in CSZ CMS 1.2.9 (Content Management System). Affected by this vulnerability is an unknown part of the component Pages Content. The manipulation of the argument New Pages with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. As an impact it is known to affect integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. The summary by CVE is:

A cross site scripting vulnerability in CSZ CMS 1.2.9 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the ‘New Pages’ field under the ‘Pages Content’ module.

The weakness was disclosed 07/10/2021. The advisory is shared at sourceforge.net. This vulnerability is known as CVE-2020-25391 since 09/14/2020. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is necessary for 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Type