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Vulnerability DatabaseCVE-2021-42548

CVE-2021-42548: 
WordPress vulnerability analysis and mitigation

Overview

A Cross-Site Scripting (XSS) vulnerability was discovered in the WordPress plugin Share-one-Drive versions prior to 1.15.3. The vulnerability, identified as CVE-2021-42548, was caused by insufficient input validation in the search functionality, allowing unauthenticated users to perform reflected XSS attacks (NVD, CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 6.1 (Medium) by NIST with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. The Switzerland Government Common Vulnerability Program assessed it with a CVSS score of 4.7 (Medium). The vulnerability is classified as CWE-79, which refers to Improper Neutralization of Input During Web Page Generation (NVD).

Impact

If exploited, this vulnerability could allow attackers to execute cross-site scripting attacks against users who interact with the malicious payload. The impact is considered medium severity, with potential compromise of confidentiality and integrity, though no impact on availability has been noted (NVD).

Mitigation and workarounds

Users are advised to upgrade to Share-one-Drive version 1.15.3 or later to address this vulnerability (WP Cloud Plugins).

Additional resources

Source: This report was generated using AI

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