Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-38337
CVE-2021-38337:
WordPress vulnerability analysis and mitigation
Overview
The RSVPMaker Excel WordPress plugin was found to contain a Reflected Cross-Site Scripting vulnerability (CVE-2021-38337) affecting versions up to and including 1.1. The vulnerability was discovered in September 2021 and stems from a reflected $SERVER["PHPSELF"] value in the ~/phpexcel/PHPExcel/Shared/JAMA/docs/download.php file (NVD).
Technical details
The vulnerability 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. Under CVSS v2.0, it received a base score of 4.3 (Medium) with vector (AV:N/AC:M/Au:N/C:N/I:P/A:N). The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).
Impact
The vulnerability allows attackers to inject arbitrary web scripts into the application. When successfully exploited, this could lead to theft of sensitive information, session hijacking, or other malicious actions performed in the context of the affected user's browser (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than 1.1 of the RSVPMaker Excel WordPress plugin. If upgrading is not immediately possible, it is recommended to implement additional security controls to filter and validate user input, particularly in areas handling $SERVER["PHPSELF"] values (NVD).
Additional resources
Source: This report was generated using AI
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