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Vulnerability DatabaseCVE-2022-0966

CVE-2022-0966: 
PHP vulnerability analysis and mitigation

Overview

A stored Cross-Site Scripting (XSS) vulnerability was discovered in the star7th/showdoc GitHub repository, affecting versions prior to 2.4.10. The vulnerability was identified through file upload functionality (NVD, CVE).

Technical details

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) with a CVSS v3.1 base score of 5.4 (Medium severity). The attack vector requires network access with low attack complexity, and requires low privileges with user interaction. The scope is changed with low confidentiality and integrity impact (NVD).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute stored cross-site scripting attacks through file upload functionality, potentially leading to unauthorized access to sensitive information or manipulation of web content (NVD).

Exploitability

The vulnerability requires an authenticated user with low privileges to upload specially crafted files. A proof of concept exploit has been documented (Huntr).

Mitigation and workarounds

The vulnerability has been patched in version 2.4.10 of showdoc. Users are advised to upgrade to this version or later. The fix involves improvements to the file upload validation mechanism (GitHub Patch).

Additional resources

Source: This report was generated using AI

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