The Tainacan plugin for WordPress is vulnerable to SQL Injection via the 'collection_id' parameter in all versions up to, and including, 0.21.12 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Tainacan.Org Tainacan allows SQL Injection.This issue affects Tainacan: from n/a through 0.21.8.

Missing Authorization vulnerability in Tainacan.Org Tainacan.This issue affects Tainacan: from n/a through 0.20.7.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Tainacan.Org Tainacan allows Stored XSS.This issue affects Tainacan: from n/a through 0.21.3.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Tainacan.Org Tainacan allows Reflected XSS.This issue affects Tainacan: from n/a through 0.21.3.

The archive-tainacan-collection theme for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in version 2.7.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Tainacan.Org Tainacan.This issue affects Tainacan: from n/a through 0.20.6.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tainacan.Org Tainacan allows Reflected XSS.This issue affects Tainacan: from n/a through 0.20.4.