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Vulnerability DatabaseCVE-2022-0940
CVE-2022-0940:
PHP vulnerability analysis and mitigation
Overview
A Stored Cross-Site Scripting (XSS) vulnerability was identified in the GitHub repository star7th/showdoc versions prior to v2.10.4. The vulnerability was discovered and assigned CVE-2022-0940 on March 13, 2022 (CVE Details).
Technical details
The vulnerability is classified as CWE-79 (Cross-site Scripting) and involves unrestricted file upload functionality in the application. The issue was related to insufficient file extension validation in the AttachmentModel.class.php file, which was later patched by adding additional file extension restrictions (GitHub Commit).
Impact
The vulnerability allows attackers to perform stored cross-site scripting attacks through unrestricted file uploads, potentially leading to the execution of malicious scripts in users' browsers in the context of the vulnerable application (CVE Details).
Mitigation and workarounds
The vulnerability was patched in version 2.10.4 of showdoc. The fix involves enhanced file extension validation in the AttachmentModel.class.php file to prevent dangerous file uploads. Users are advised to upgrade to version 2.10.4 or later (GitHub Commit).
Additional resources
Source: This report was generated using AI
Related PHP vulnerabilities:
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