CVE-2023-40668: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Pdfcrowd Save as PDF WordPress plugin versions 2.16.0 and below. The vulnerability was reported on February 26, 2023, and publicly disclosed on August 21, 2023. This security issue affects authenticated users with administrator privileges (Patchstack Advisory).

The vulnerability is classified as a Stored Cross-Site Scripting (XSS) issue, identified as CVE-2023-40668. It received a CVSS v3.1 base score of 4.8 (MEDIUM) from NIST with a vector string of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N, while Patchstack assessed it with a slightly higher score of 5.9 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L. The vulnerability is categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation) (NVD).

The vulnerability could allow malicious actors 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 Advisory).

The vulnerability has been patched in version 2.16.1 of the plugin. Users are advised to update to version 2.16.1 or later to remove the vulnerability. Patchstack users have the option to enable auto-update for vulnerable plugins (Patchstack Advisory).