CVE-2023-5621

CVSS 3.1 Score 4.4 of 10 (medium)

Details

Published Oct 18, 2023
Updated: Nov 7, 2023
CWE ID 79

Summary

CVE-2023-5621 is a vulnerability found in the Thumbnail Slider With Lightbox plugin for WordPress versions up to and including 1.0. It is classified as a Stored Cross-Site Scripting (XSS) vulnerability, resulting from insufficient input sanitization and output escaping in the Image Title field. This allows authenticated attackers with administrator-level access to inject arbitrary web scripts that will execute when users access an injected page. The vulnerability only affects multi-site installations and installations where unfiltered_html has been disabled. The base severity of this vulnerability is medium, with a base score of 4.4 according to CVSS:3.1 standards. It poses a potential danger to organizations as it could lead to unauthorized script execution on affected websites, compromising the integrity and confidentiality of user data. To remediate this vulnerability, users should update the plugin to a version that includes proper input sanitization and output escaping measures.

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