CVE-2025-8293: 
WordPress vulnerability analysis and mitigation

The Intl DateTime Calendar plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2025-8293) discovered in all versions up to and including 1.0.1. The vulnerability was disclosed on August 16, 2025, affecting the WordPress plugin's 'date' parameter due to insufficient input sanitization and output escaping (NVD).

The vulnerability is classified as a Stored Cross-Site Scripting (CWE-79) issue with a CVSS v3.1 Base Score of 6.4 (Medium). The attack vector is network-based (AV:N) with low attack complexity (AC:L), requiring low privileges (PR:L) and no user interaction (UI:N). The scope is changed (S:C) with low confidentiality (C:L) and integrity (I:L) impacts, and no availability impact (A:N) (NVD, Wordfence).

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 the compromised page, potentially leading to unauthorized data access or manipulation (NVD).

The plugin has been temporarily closed as of July 30, 2025, pending a full security review. Users are advised to disable and remove the plugin until a patched version becomes available (WordPress).