CVE-2022-0352 in calibreweb
Summary
by MITRE • 01/29/2022
Cross-site Scripting (XSS) - Reflected in Pypi calibreweb prior to 0.6.16.
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Analysis
by VulDB Data Team • 05/01/2025
The vulnerability identified as CVE-2022-0352 represents a reflected cross-site scripting flaw within the PyPI package calibreweb, which was present in versions prior to 0.6.16. This issue arises from inadequate input validation and output sanitization mechanisms within the web application's handling of user-supplied data. The vulnerability specifically affects the application's ability to properly escape or encode user input before rendering it in web responses, creating an avenue for malicious actors to inject arbitrary JavaScript code into web pages viewed by other users.
The technical implementation of this reflected XSS vulnerability occurs when the calibreweb application processes user input through URL parameters or form fields without proper sanitization. When malicious input is submitted and subsequently reflected back in the application's HTTP response, the injected script executes within the context of the victim's browser session. This allows attackers to potentially steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and demonstrates the classic characteristics of reflected XSS as outlined in the OWASP Top Ten security risks.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors including session hijacking, credential theft, and data exfiltration. An attacker could craft malicious URLs containing script payloads that, when clicked by an authenticated user, would execute code in the victim's browser context. This creates a significant risk for users who interact with the calibreweb application, particularly in environments where the application handles sensitive user data or provides administrative functionality. The vulnerability is particularly concerning in the context of web applications that serve as digital libraries or content management systems, where user trust and data integrity are paramount.
Mitigation strategies for CVE-2022-0352 involve immediate upgrading to calibreweb version 0.6.16 or later, which contains the necessary patches to address the input validation gaps. Additionally, implementing proper output encoding mechanisms, utilizing Content Security Policy headers, and conducting regular security testing can significantly reduce the risk of exploitation. Organizations should also consider deploying web application firewalls and monitoring for suspicious input patterns. The vulnerability demonstrates the critical importance of input validation and output encoding practices, aligning with ATT&CK technique T1059.001 for command and scripting interpreter and T1566.001 for credential access through social engineering. Regular security assessments and vulnerability management processes are essential to prevent similar issues from emerging in other components of the software ecosystem.