CVE-2026-90989
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk6th percentile - higher than 6% of all known CVEs
Summary
The Tainacan WordPress plugin before 1.4.0 does not restrict its reports REST endpoints to users with a management capability. This allows any authenticated subscriber to read the email addresses of the repository's staff.
Risk Assessment
Unauthorized access to staff email addresses can lead to personal data leakage and phishing attacks.
Recommendation
Update the Tainacan plugin to version 1.4.0 or later.
Other vulnerabilities in Tainacan
See all- CVE-2026-6230High
The Tainacan plugin for WordPress is vulnerable to time-based blind SQL injection via the 'geoquery' parameter in all versions up to and including 1.0.3 due to insufficient escaping and lack of proper query preparation.
- CVE-2026-42740Critical
CVE-2026-42740 describes an improper neutralization of special elements used in SQL commands, leading to a Blind SQL Injection vulnerability in the Tainacan system. This issue affects Tainacan versions from n/a through 1.0.3.
- CVE-2026-93767Medium
The Tainacan plugin for WordPress in versions up to and including 1.3.0 is vulnerable to Directory Traversal via the 'guid' parameter. Authenticated attackers with subscriber-level access and above can read the contents of arbitrary files on the server, which can contain sensitive information.
- CVE-2026-94676High
Tainacan through version 1.3.0 contains a deserialization of untrusted data vulnerability that allows Object Injection. An attacker can exploit this to execute malicious code or manipulate application objects.
- CVE-2026-95590High
The Tainacan plugin in versions up to and including 1.2.0 contains an SQL Injection vulnerability accessible to users with the Subscriber role. This allows injection of SQL code into database queries.
Original NVD description (English source)
The Tainacan WordPress plugin before 1.4.0 does not restrict its reports REST endpoints to users with a management capability, allowing any authenticated subscriber to read the email addresses of the repository's staff.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS