Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2023-2023
CVE-2023-2023:
WordPress vulnerability analysis and mitigation
Overview
The Custom 404 Pro WordPress plugin versions prior to 3.7.3 contains a Reflected Cross-Site Scripting vulnerability, identified as CVE-2023-2023. The vulnerability was discovered by Chien Vuong and publicly disclosed on May 2, 2023. This security issue affects WordPress installations using the Custom 404 Pro plugin (WPScan, CVE Mitre).
Technical details
The vulnerability stems from the plugin's failure to properly escape URLs before outputting them in attributes, which can lead to Reflected Cross-Site Scripting attacks. The vulnerability has been assigned a CVSS score of 7.1 (high), indicating significant severity. The issue is classified under CWE-79, which pertains to improper neutralization of input during web page generation (WPScan).
Impact
When exploited, this vulnerability could allow attackers to execute malicious JavaScript code in the context of other users' browsers who visit the specially crafted URL, potentially leading to session hijacking, defacement, or theft of sensitive information (WPScan).
Mitigation and workarounds
The vulnerability has been fixed in version 3.7.3 of the Custom 404 Pro plugin. Website administrators are strongly advised to update to this version or later to mitigate the risk (WPScan).
Additional resources
Source: This report was generated using AI
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