Stored Cross-Site Scripting Vulnerability in WPFAQBlock Plugin for WordPress
CVE-2026-1093

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
WPfaqblock– Faq & Accordion Plugin For Gutenberg
Vendor
CVE Published:
21 March 2026

What is CVE-2026-1093?

The WPFAQBlock – FAQ & Accordion Plugin for Gutenberg in WordPress is susceptible to Stored Cross-Site Scripting (XSS) attacks due to inadequate input sanitization and output escaping for the 'class' parameter in the 'wpfaqblock' shortcode. Authenticated attackers with Contributor-level access or higher can exploit this vulnerability to inject malicious scripts into web pages. This risk could lead to unauthorized script execution whenever affected pages are accessed, posing a significant security threat to users and their data.

Affected Version(s)

WPFAQBlock– FAQ & Accordion Plugin For Gutenberg 0 <= 1.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/wpfaqblock/
https://plugins.trac.wordpress.org/browser/wpfaqblock/tru...

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

Youcef Hamdani
.