CVE-2026-3239
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
The Strong Testimonials plugin for WordPress versions up to 3.2.21 contains a stored cross-site scripting vulnerability via the testimonial_view shortcode due to insufficient input sanitization and output escaping on user supplied attributes. Authenticated attackers with contributor-level access and above can inject arbitrary web scripts that execute whenever a user accesses an injected page.
Risk Assessment
Attackers can execute arbitrary scripts in the victim's browser, potentially leading to session data theft, redirects to malicious sites, or credential theft.
Recommendation
Update the Strong Testimonials plugin to the latest version and restrict contributor-level permissions.
Other vulnerabilities in Strong Testimonials
See all- CVE-2026-97286Medium
The Strong Testimonials plugin in versions up to and including 3.3.11 contains a Cross Site Scripting (XSS) vulnerability exploitable by a user with Contributor privileges. This allows injection of a malicious script into the site.
- CVE-2026-92622Medium
The Strong Testimonials plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'lightbox_class' Shortcode Attribute in all versions up to, and including, 3.3.8 due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level access can inject arbitrary web scripts that execute when a user accesses an injected page.
Original NVD description (English source)
The Strong Testimonials plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's testimonial_view shortcode in all versions up to, and including, 3.2.21 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS