CVSS 3.1 Score 9.6 of 10 (high)


Published Oct 27, 2023
Updated: Nov 7, 2023
CWE ID 352


CVE-2023-5820 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Thumbnail Slider With Lightbox plugin for WordPress version 1.0. This vulnerability arises from missing or incorrect nonce validation on the addedit functionality, enabling unauthenticated attackers to upload arbitrary files by tricking a site administrator into taking an action, such as clicking on a link. The severity of this vulnerability is classified as CRITICAL with a base score of 9.6 out of 10, indicating a high risk to organizations. To remediate this vulnerability, users should update the affected plugin to a patched version provided by the plugin developer.

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