Learn about the impact, technical details, and mitigation steps for CVE-2022-48612 affecting ClassLink OneClick Extension. Stay protected from potential JavaScript injection attacks.
A Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through 10.7 allows remote attackers to inject JavaScript into any webpage.
Understanding CVE-2022-48612
This section will cover the details related to CVE-2022-48612.
What is CVE-2022-48612?
CVE-2022-48612 is a Universal Cross Site Scripting (UXSS) vulnerability in ClassLink OneClick Extension through version 10.7, enabling remote attackers to inject JavaScript into any webpage due to a missing regular expression.
The Impact of CVE-2022-48612
This vulnerability can be exploited by attackers to execute malicious scripts within the context of a user's web session, potentially leading to account compromise, sensitive data theft, and other web-based attacks.
Technical Details of CVE-2022-48612
In this section, we will delve into the technical aspects of CVE-2022-48612.
Vulnerability Description
The vulnerability arises from the absence of a regular expression that verifies whether a URL is controlled by ClassLink in all relevant areas, facilitating unauthorized JavaScript injection.
Affected Systems and Versions
The ClassLink OneClick Extension up to version 10.7 is impacted by this vulnerability, posing a risk to users of the extension who interact with untrusted web sources.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by crafting malicious URLs that inject JavaScript code into webpages accessed by users of the vulnerable ClassLink OneClick Extension.
Mitigation and Prevention
To safeguard systems from CVE-2022-48612, proactive measures need to be implemented.
Immediate Steps to Take
Users should refrain from interacting with unfamiliar or suspicious links and disable the ClassLink OneClick Extension until a patch or fix is available.
Long-Term Security Practices
Regular security training, browser security best practices, and heightened awareness regarding web-based threats can help prevent UXSS vulnerabilities like CVE-2022-48612.
Patching and Updates
It is crucial for users to monitor for security advisories from ClassLink and promptly apply any patches or updates released to address the UXSS vulnerability.