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Vulnerability DatabaseCVE-2025-9850
CVE-2025-9850:
WordPress vulnerability analysis and mitigation
Overview
The Evenium plugin for WordPress (CVE-2025-9850) contains a Stored Cross-Site Scripting vulnerability in versions up to and including 1.3.11, discovered and disclosed on September 11, 2025. The vulnerability specifically affects the plugin's 'eveniumsingleevent' shortcode functionality (NVD).
Technical details
The vulnerability stems from insufficient input sanitization and output escaping on user-supplied attributes in the 'eveniumsingleevent' shortcode. The issue has been assigned a CVSS v3.1 base score of 6.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (Wordfence).
Impact
When exploited, this vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever any user accesses the compromised page, potentially leading to unauthorized data access or manipulation of user sessions (NVD).
Additional resources
Source: This report was generated using AI
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