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Vulnerability DatabaseCVE-2021-24980

CVE-2021-24980: 
WordPress vulnerability analysis and mitigation

Overview

The Gwolle Guestbook WordPress plugin before version 4.2.0 contains a Reflected Cross-Site Scripting (XSS) vulnerability, identified as CVE-2021-24980. The vulnerability was discovered by ZhongFu Su(JrXnm) of Wuhan University and was publicly disclosed on November 23, 2021. This security issue affects the plugin's admin page functionality (WPScan).

Technical details

The vulnerability stems from improper input validation where the plugin fails to sanitize and escape the 'gwollegbuser_email' parameter before outputting it back in an attribute. This security flaw has been assigned a CVSS v3.1 score of 6.1 (Medium) and is classified under CWE-79. The vulnerability falls under the OWASP Top 10 category A7: Cross-Site Scripting (XSS) (WPScan, NVD).

Impact

The vulnerability allows attackers to execute reflected cross-site scripting attacks through the admin page, potentially leading to unauthorized script execution in the context of authenticated users' browsers (CVE Mitre).

Mitigation and workarounds

The vulnerability has been fixed in version 4.2.0 of the Gwolle Guestbook plugin. Users are advised to update to this version or newer to mitigate the security risk (WPScan).

Additional resources

Source: This report was generated using AI

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