CVE-2026-1093
Stored XSS in WPFAQBlock Plugin via 'class' Shortcode Parameter
Publication date: 2026-03-21
Last updated on: 2026-03-21
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wpfaqblock | faq_&_accordion_plugin_for_gutenberg | to 1.1 (inc) |
| creative_werk_designs | wpfaqblock | to 1.1 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
The WPFAQBlock – FAQ & Accordion Plugin For Gutenberg plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability. This occurs via the 'class' parameter of the 'wpfaqblock' shortcode in all versions up to and including 1.1. The vulnerability exists because the plugin does not properly sanitize or escape user-supplied input in this parameter.
As a result, authenticated attackers with Contributor-level access or higher can inject arbitrary web scripts into pages. These scripts will execute whenever any user accesses the injected page.
How can this vulnerability impact me? :
This vulnerability can allow attackers with Contributor-level access or above to inject malicious scripts into WordPress pages. These scripts can execute in the browsers of users who visit the affected pages.
- It can lead to theft of user credentials or session tokens.
- It can enable unauthorized actions on behalf of users.
- It can be used to deliver malware or redirect users to malicious sites.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know