CVE-2024-23505: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the WordPress plugin DearHive PDF Viewer & 3D PDF Flipbook – DearPDF, affecting versions up to and including 2.0.38. The vulnerability was identified on January 19, 2024, by security researcher Ngô Thiên An (ancorn_) from VNPT-VCI (Wordfence Intel, Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received varying CVSS scores from different sources. The National Vulnerability Database (NVD) assigned a CVSS v3.1 base score of 5.4 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Patchstack rated it at 6.5 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability stems from insufficient input sanitization and output escaping in the plugin (NVD, WPScan).

The vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses an affected page, potentially leading to unauthorized actions, data theft, or other malicious activities (WPScan, Patchstack).

As of the latest reports, there is no official fix available for this vulnerability. The issue remains unpatched in version 2.0.38 of the plugin (Patchstack).