Executive brief
The Quick Table plugin for WordPress, which allows users to easily create and display tables on their websites, contains a security flaw. This vulnerability allows users with contributor-level access or higher to inject malicious scripts into website pages. When other visitors or administrators view these pages, the scripts execute, potentially leading to unauthorized actions or data theft.
Technical details
The Quick Table plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) due to insufficient input sanitization and output escaping on the 'style' attribute of the 'qtbl' shortcode. This vulnerability exists in all versions up to and including 1.0.0. An authenticated attacker with contributor-level permissions or higher can exploit this by injecting arbitrary web scripts into a page via the shortcode. These scripts will execute in the browser of any user who visits the affected page. The attack is carried out over the network and does not require interaction from the victim beyond visiting the compromised page.
Affected products
- Quick Table Quick Table Up to, and including, 1.0.0
Timeline
- 2026-05-12: disclosed: Initial publication of the CVE record.
- 2026-05-12: advisory: Wordfence published the vulnerability details.