CVE-2020-18325
PHP vulnerability analysis and mitigation

Overview

A Cross Site Scripting (XSS) vulnerability was discovered in Intelliants Subrion CMS version 4.2.1, specifically affecting multiple areas within the Configuration panel. The vulnerability was discovered on June 24, 2019, assigned CVE-2020-18325 on August 11, 2021, and publicly disclosed on February 27, 2022 (Github POC).

Technical details

The vulnerability exists in multiple locations within the Configuration panel, including /panel/configuration/pictures/, /panel/configuration/mail/, /panel/configuration/miscellaneous/, and /panel/menus/add/. The issue allows remote attackers to inject arbitrary JavaScript code through various configuration parameters. The vulnerability has been assigned a CVSS v3.1 Base Score of 6.1 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (NVD).

Impact

If successfully exploited, this XSS vulnerability could allow attackers to execute arbitrary JavaScript code in the context of other users' browsers who access the affected pages. This could lead to theft of sensitive information, session hijacking, or other client-side attacks (Github POC).

Mitigation and workarounds

To mitigate this vulnerability, it is recommended to follow OWASP's XSS prevention guidelines. Organizations should implement proper input validation and output encoding mechanisms to prevent cross-site scripting attacks (Github POC).

Additional resources


SourceThis report was generated using AI

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