CVE-2025-58618: 
WordPress vulnerability analysis and mitigation

A Cross-site Scripting (XSS) vulnerability has been identified in Jonathan Jernigan's Pie Calendar WordPress plugin, tracked as CVE-2025-58618. The vulnerability was discovered in versions through 1.2.8 and allows DOM-Based XSS attacks. The issue was disclosed on September 3, 2025, and has been assigned a CVSS v3.1 base score of 6.5 (Medium severity) (Patchstack).

The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation. It has been assigned a CVSS v3.1 vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, indicating that it requires network access, low attack complexity, low privileges, and user interaction. The scope is changed, with low impact on confidentiality, integrity, and availability (NVD).

This 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).

Users are advised to update to Pie Calendar version 1.2.9 or later to remove the vulnerability. Patchstack users can enable auto-update functionality for vulnerable plugins (Patchstack).