CVE-2021-38138 : Security Advisory and Response
Learn about CVE-2021-38138, a Cross-Site Scripting (XSS) vulnerability in OneNav beta 0.9.12. Understand the impact, affected systems, and mitigation steps to secure your application.
OneNav beta 0.9.12 allows XSS via the Add Link feature. The impact is notable as there is no XSS protection currently. However, the vendor plans to implement protection in a future release.
Understanding CVE-2021-38138
This section provides insights into the nature of the vulnerability and its implications.
What is CVE-2021-38138?
CVE-2021-38138 refers to a Cross-Site Scripting (XSS) vulnerability found in OneNav beta 0.9.12. It enables attackers to execute malicious scripts in the context of a user's account, leading to potential account compromise.
The Impact of CVE-2021-38138
The impact of this vulnerability is significant as it allows for XSS attacks through the Add Link feature. Although the vendor argues the risk is limited to compromised accounts, the lack of protection leaves users vulnerable until a fix is implemented.
Technical Details of CVE-2021-38138
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises due to inadequate input validation in the Add Link feature of OneNav beta 0.9.12, enabling attackers to inject and execute malicious scripts.
Affected Systems and Versions
All instances running OneNav beta 0.9.12 are affected by this vulnerability, as noted by the vendor.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious links containing scripts and persuading users to click on them within the application.
Mitigation and Prevention
This section outlines the measures to mitigate the risks associated with CVE-2021-38138.
Immediate Steps to Take
Users are advised to exercise caution while interacting with links within OneNav beta 0.9.12. Avoid clicking on suspicious or untrusted links to mitigate the risk of XSS attacks.
Long-Term Security Practices
In the long term, users should regularly update to the latest version of OneNav to ensure they are protected against known vulnerabilities and security threats.
Patching and Updates
Users should stay informed about security updates from the vendor and apply patches promptly to address any identified security vulnerabilities.