Vulnerability DatabaseCVE-2023-47851

CVE-2023-47851:
WordPress vulnerability analysis and mitigation

Overview

A Cross-site Scripting (XSS) vulnerability was discovered in the Bootstrap Shortcodes Ultimate WordPress plugin, identified as CVE-2023-47851. The vulnerability affects versions up to and including 4.3.1 of the plugin. The issue was initially reported on September 27, 2023, by researcher Ngô Thiên An (ancorn from VNPT-VCI) and was publicly disclosed on November 20, 2023 ([Patchstack](https://patchstack.com/database/vulnerability/bs-shortcode-ultimate/wordpress-bootstrap-shortcodes-ultimate-plugin-4-3-1-cross-site-scripting-xss-vulnerability?s_id=cve)).

Technical details

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation (CWE-79), specifically a Stored XSS vulnerability. It received a CVSS v3.1 base score of 6.5 (Medium) from Patchstack and 5.4 (Medium) from NVD, with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The vulnerability requires Contributor-level privileges to exploit (Patchstack, NVD).

Impact

The vulnerability could allow a malicious actor to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

Mitigation and workarounds

As of the latest reports, no official fix is available for this vulnerability. The issue affects versions up to and including 4.3.1 of the Bootstrap Shortcodes Ultimate plugin (Patchstack).