Stored Cross-Site Scripting Vulnerability in Quick Table Plugin for WordPress
CVE-2026-6237

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Quick Table
Vendor
CVE Published:
12 May 2026

What is CVE-2026-6237?

The Quick Table plugin for WordPress has a vulnerability that allows authenticated attackers with contributor-level access or higher to exploit insufficient input validation and output escaping related to the 'style' attribute of the 'qtbl' shortcode. This can result in the injection of arbitrary web scripts into pages, leading to the execution of these scripts when a user visits the affected pages.

Affected Version(s)

Quick Table 0 <= 1.0.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/quick-table/ta...
https://plugins.trac.wordpress.org/browser/quick-table/tr...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

nail majdeddine
.