CVE-2024-50516: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the WordPress plugin Adam Skaat Countdown & Clock. The vulnerability affects versions through 2.8.0.9 and was disclosed on October 28, 2024. The security issue was identified by researcher Hwang Se-yeon and has been assigned CVE-2024-50516 (Patchstack).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) and has received a CVSS v3.1 base score of 5.9 (Medium). The attack vector is network-based (AV:N) with low attack complexity (AC:L), requires high privileges (PR:H), user interaction (UI:R), and has a changed scope (S:C) with low impacts on confidentiality, integrity, and availability (C:L/I:L/A:L) (Patchstack).

This 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).

As of the disclosure date, no official fix is available for this vulnerability. The issue affects versions up to 2.8.8 of the Countdown & Clock plugin (Patchstack).

Early warning about this vulnerability was sent out to Patchstack customers on October 28, 2024, before its public disclosure on October 30, 2024 (Patchstack).