CVE-2021-26263 : Security Advisory and Response
Learn about CVE-2021-26263, a high-risk XSS vulnerability in Odoo Community and Odoo Enterprise versions 14.0 through 15.0. Discover impact, affected systems, and mitigation steps.
A detailed overview of CVE-2021-26263, a Cross-site scripting (XSS) vulnerability affecting Odoo Community and Odoo Enterprise versions 14.0 through 15.0.
Understanding CVE-2021-26263
This section provides insights into the nature and impact of the CVE-2021-26263 vulnerability.
What is CVE-2021-26263?
CVE-2021-26263 is a Cross-site scripting (XSS) vulnerability found in the Discuss app of Odoo Community 14.0 through 15.0 and Odoo Enterprise 14.0 through 15.0. It allows remote attackers to inject malicious web scripts into a victim's browser by posting crafted contents.
The Impact of CVE-2021-26263
The vulnerability poses a high severity risk, as it enables attackers to execute arbitrary scripts in the context of a user's browser, potentially leading to unauthorized actions and data theft.
Technical Details of CVE-2021-26263
In this section, we delve into the technical aspects related to CVE-2021-26263.
Vulnerability Description
CVE-2021-26263 involves a Cross-site scripting (XSS) flaw that arises due to insufficient sanitization of user-supplied data in the Discuss app of Odoo Community and Odoo Enterprise. This allows attackers to inject malicious scripts into web pages viewed by other users.
Affected Systems and Versions
The vulnerability affects Odoo Community versions 14.0 through 15.0 and Odoo Enterprise versions 14.0 through 15.0.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by posting specially crafted content to the Discuss app, tricking authenticated users into executing the injected scripts.
Mitigation and Prevention
This section outlines the steps to mitigate the impact of CVE-2021-26263 and prevent such vulnerabilities in the future.
Immediate Steps to Take
Users are advised to update their Odoo Community and Odoo Enterprise installations to versions beyond 15.0 that contain security patches addressing the XSS vulnerability. Additionally, they should exercise caution while clicking on links or accessing content from untrusted sources.
Long-Term Security Practices
Implementing secure coding practices, input validation mechanisms, and regular security audits can help prevent XSS vulnerabilities like CVE-2021-26263 in the long run.
Patching and Updates
Stay informed about security updates released by Odoo and promptly apply patches to address known vulnerabilities like CVE-2021-26263.