Overview
The CVE-2025-9807 vulnerability resides in The Events Calendar plugin for WordPress, affecting all versions up to and including 6.15.1. The vulnerability, a time-based SQL Injection, can be exploited by unauthenticated attackers, making it a significant security concern for WordPress website owners and developers. The vulnerability enhances the risk of data leakage or system compromise, thereby underlining the urgency for immediate mitigation.
Vulnerability Summary
CVE ID: CVE-2025-9807
Severity: High (7.5 CVSS Severity Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and sensitive data leakage
Affected Products
A new way to communicate
Ameeba Chat is built on encrypted identity, not personal profiles.
Message, call, share files, and coordinate with identities kept separate.
- • Encrypted identity
- • Ameeba Chat authenticates access
- • Aliases and categories
- • End-to-end encrypted chat, calls, and files
- • Secure notes for sensitive information
Private communication, rethought.
Product | Affected Versions
The Events Calendar WordPress Plugin | Up to and including 6.15.1
How the Exploit Works
The exploit takes advantage of insufficient escaping on a user-supplied parameter, specifically the ‘s’ parameter, and the absence of adequate preparation on the existing SQL query. Unauthenticated attackers can exploit this vulnerability by appending additional SQL queries to existing queries, potentially extracting sensitive data from the database or compromising the system.
Conceptual Example Code
This conceptual example demonstrates how the vulnerability might be exploited. The attacker manipulates the ‘s’ parameter to insert a malicious SQL command:
GET /wp-json/tribe/events/v1/events?s=1' UNION SELECT 1,CONCAT(user_login,':',user_pass) FROM wp_users WHERE id = 1 -- HTTP/1.1
Host: target.example.comIn this example, the attacker is attempting to extract the login and password of the first user (usually the administrator) from the WordPress users’ table.
Mitigation Guidance
To mitigate the CVE-2025-9807 vulnerability, users are strongly advised to apply the vendor patch. In situations where the patch cannot be applied immediately, the use of Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can provide temporary mitigation. However, applying the patch remains the best long-term solution to the vulnerability.