CVE-2026-3239
Stored XSS in Strong Testimonials WordPress Plugin Allows Script Injection
Publication date: 2026-04-08
Last updated on: 2026-04-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| strong_testimonials | strong_testimonials | to 3.2.21 (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
Can you explain this vulnerability to me?
The Strong Testimonials plugin for WordPress has a vulnerability known as Stored Cross-Site Scripting (XSS) in its testimonial_view shortcode. This occurs because the plugin does not properly sanitize or escape user-supplied attributes. As a result, authenticated users with contributor-level access or higher can inject malicious web scripts into pages. These scripts will then execute whenever any user accesses the affected page.
How can this vulnerability impact me? :
This vulnerability allows attackers with contributor-level access or above to inject arbitrary scripts into web pages. These scripts can execute in the browsers of users who visit the injected pages, potentially leading to theft of sensitive information, session hijacking, or other malicious actions. The impact includes loss of confidentiality and integrity of user data, as indicated by the CVSS score which reflects low attack complexity but requires privileges.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability allows authenticated attackers with contributor-level access and above to inject arbitrary web scripts via stored cross-site scripting (XSS). This can lead to unauthorized access or manipulation of user data when users access the injected pages.
Such unauthorized data access or manipulation could potentially impact compliance with data protection regulations like GDPR or HIPAA, which require safeguarding personal data against unauthorized access and ensuring data integrity.
However, the provided information does not explicitly state the direct effects on compliance with these standards.