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Vulnerability DatabaseCVE-2021-4050
CVE-2021-4050:
PHP vulnerability analysis and mitigation
Overview
CVE-2021-4050 is a Cross-site Scripting (XSS) vulnerability affecting the livehelperchat software. The vulnerability was discovered and disclosed in December 2021, with the initial NVD publication date being December 8, 2021 (NVD).
Technical details
The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) issue. It has been assigned a CVSS v3.1 base score of 6.1 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, indicating that it is network exploitable with low attack complexity and requires user interaction (NVD).
Impact
The vulnerability could allow attackers to execute malicious scripts in the context of the affected application, potentially leading to unauthorized access to sensitive information and manipulation of web content (NVD).
Mitigation and workarounds
A patch has been released to address this vulnerability. The fix involves implementing proper input sanitization and can be found in the livehelperchat repository commit 0ce1dd2a13509747c240c8484228a5df8d6e03ec (GitHub Patch).
Additional resources
Source: This report was generated using AI
Related PHP vulnerabilities:
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