CVE-2022-35910 in Jellyfin before version 10.8 allows attackers to steal admin access tokens via stored XSS. Learn about the impact, technical details, and mitigation steps.
Jellyfin before version 10.8 is prone to a stored XSS vulnerability that enables malicious actors to steal an admin access token. Here is an in-depth look at CVE-2022-35910 and how it can impact your systems.
Understanding CVE-2022-35910
What is CVE-2022-35910?
CVE-2022-35910 is a security vulnerability found in Jellyfin version 10.8 and below that allows for stored XSS attacks, leading to the theft of an admin access token.
The Impact of CVE-2022-35910
The vulnerability poses a significant risk as it can be exploited by attackers to compromise the security of Jellyfin instances, potentially gaining unauthorized access and control.
Technical Details of CVE-2022-35910
Vulnerability Description
The stored XSS vulnerability in Jellyfin before version 10.8 enables threat actors to inject malicious scripts into the application, leading to the theft of sensitive data such as admin access tokens.
Affected Systems and Versions
All instances of Jellyfin running versions prior to 10.8 are affected by CVE-2022-35910. Users are advised to update to the latest version to mitigate the risk.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting crafted scripts into user inputs, which are then stored by the application and executed in the context of authenticated users, allowing for unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
Users and administrators are strongly advised to update Jellyfin to version 10.8 or above to address the vulnerability. Implementing content security policies (CSP) and input validation can also help mitigate XSS risks.
Long-Term Security Practices
It is crucial to regularly monitor security advisories and updates from Jellyfin to stay informed about potential vulnerabilities and patches. Conducting regular security audits and implementing secure coding practices can also enhance the overall security posture.
Patching and Updates
Jellyfin users should apply security patches and updates promptly to ensure that known vulnerabilities are addressed and the software is kept secure.