CVE-2026-66630
HighCVSS 7.6Summary
The PublishPress Series plugin in versions up to and including 3.1.3 contains an Administrator SQL Injection vulnerability. This enables an administrator-level user to inject malicious SQL code into database queries.
Risk Assessment
A user with administrator privileges could execute arbitrary SQL queries, potentially resulting in data leakage, modification, or deletion from the WordPress database.
Recommendation
Update the PublishPress Series plugin to a version newer than 3.1.3 as soon as a fix is available, and limit the number of administrator accounts.
Other vulnerabilities in PublishPress Series
See all- CVE-2026-74005Medium
Cross Site Request Forgery (CSRF) vulnerability in PublishPress Series plugin up to version 3.1.3. CSRF attacks can be performed without authentication, allowing forced actions on behalf of a logged-in admin.
- CVE-2026-66617Medium
Cross Site Scripting (XSS) vulnerability in PublishPress Series plugin up to version 3.1.3, affecting Contributor accounts. It allows injection of malicious JavaScript into publication content, which executes in other users' browsers.
- CVE-2026-27365Medium
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PublishPress PublishPress Series allows Stored XSS. This issue affects PublishPress Series from n/a through 2.17.0.
Original NVD description (English source)
Administrator SQL Injection in PublishPress Series <= 3.1.3 versions.