CVE-2026-2716
Stored XSS in Client Testimonial Slider Plugin for WordPress
Publication date: 2026-02-19
Last updated on: 2026-02-19
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | wp-client-testimonial | to 2.0 (inc) |
| wpbeaverbuilder | client_testimonial_slider | to 2.0 (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 Client Testimonial Slider plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'Testimonial Heading' setting in all versions up to and including 2.0.
This vulnerability exists because the plugin does not properly sanitize input or escape output, allowing authenticated users with Administrator-level access or higher to inject malicious web scripts.
These injected scripts execute whenever any user accesses the affected page.
The vulnerability only affects multi-site WordPress installations or installations where the unfiltered_html capability has been disabled.
How can this vulnerability impact me? :
This vulnerability can allow an attacker with Administrator-level access to inject malicious scripts into pages.
When other users visit these pages, the malicious scripts will execute in their browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions.
Because the vulnerability requires high privileges and affects only certain WordPress configurations, the risk is somewhat limited but still significant in affected environments.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
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