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Vulnerability DatabaseCVE-2022-4396
CVE-2022-4396:
Python vulnerability analysis and mitigation
Overview
A vulnerability (CVE-2022-4396) was discovered in RDFlib pyrdfa3, affecting the _get_option function in the pyRdfa/init.py file. The vulnerability was classified as a Cross-Site Scripting (XSS) issue and was disclosed in December 2022 (NVD, Ubuntu).
Technical details
The vulnerability is classified as CWE-79 (Cross-site Scripting) and affects the function _get_option in pyRdfa/init.py. The issue stems from improper validation of output formats and user input, which could lead to XSS attacks (GitHub Commit).
Impact
The vulnerability could allow attackers to conduct cross-site scripting attacks through manipulation of input parameters. This could potentially lead to unauthorized script execution in the context of the affected application (NVD).
Mitigation and workarounds
A fix was implemented by adding validation for output formats and implementing the _validate_output_format function to restrict output format options to safe values including 'turtle', 'n3', 'xml', 'pretty-xml', 'nt', and 'json-ld'. The fix also includes proper escaping of user input using cgi.escape (GitHub Commit).
Additional resources
Source: This report was generated using AI
Related Python vulnerabilities:
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