CVE-2022-34182 in Nested View Plugin
Summary
by MITRE • 06/23/2022
Jenkins Nested View Plugin 1.20 through 1.25 (both inclusive) does not escape search parameters, resulting in a reflected cross-site scripting (XSS) vulnerability.
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Analysis
by VulDB Data Team • 07/14/2022
The vulnerability identified as CVE-2022-34182 affects the Jenkins Nested View Plugin version 1.20 through 1.25, representing a critical security flaw that exposes systems to reflected cross-site scripting attacks. This issue stems from inadequate input validation and output escaping mechanisms within the plugin's handling of search parameters, creating a pathway for malicious actors to inject and execute arbitrary web scripts in the context of affected users' browsers. The vulnerability exists in the plugin's search functionality where user-provided input is not properly sanitized before being rendered back to the browser, making it susceptible to exploitation by attackers who can craft malicious URLs containing XSS payloads.
The technical implementation of this vulnerability resides in the plugin's failure to apply proper HTML escaping to search parameters that are reflected back to users through the web interface. When users navigate to views containing search functionality, the plugin processes input parameters without adequate sanitization, allowing malicious code to be executed in the victim's browser context. This flaw aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities resulting from insufficient output escaping. The vulnerability operates through reflected XSS mechanisms where the malicious payload is embedded in a URL and delivered to the victim's browser through a crafted request, making it particularly dangerous in environments where administrators may inadvertently click on malicious links or where automated attacks can target multiple users simultaneously.
The operational impact of CVE-2022-34182 extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, and data exfiltration from Jenkins environments. An attacker could craft a malicious URL that, when visited by an authenticated user with sufficient privileges, would execute scripts that steal session cookies or modify view configurations. This vulnerability particularly affects Jenkins administrators who frequently use the Nested View plugin's search functionality, as they represent high-value targets for exploitation. The reflected nature of the vulnerability means that attacks can be delivered through various vectors including email phishing campaigns, compromised websites, or social engineering tactics that trick users into visiting malicious URLs containing the XSS payload.
Organizations affected by this vulnerability should prioritize immediate remediation through patching the Nested View plugin to version 1.26 or later, which includes proper input sanitization and output escaping mechanisms. System administrators should also implement additional defensive measures such as web application firewalls that can detect and block suspicious input patterns, and conduct thorough security assessments of all Jenkins plugins to identify similar vulnerabilities. The ATT&CK framework categorizes this vulnerability under T1566, which encompasses social engineering techniques, and T1059, which covers command and scripting interpreters, as attackers can leverage the XSS flaw to execute malicious commands through compromised user sessions. Regular security monitoring and user education regarding URL verification practices can significantly reduce the risk of exploitation, while network segmentation and least privilege access controls can limit the potential damage from successful attacks. The vulnerability demonstrates the critical importance of input validation and output escaping in web applications, particularly in enterprise environments where Jenkins serves as a central automation platform for build and deployment processes.