CVE-2025-13897 Cross-site scripting in Client Testimonial Slider
Authenticated attackers with Contributor access can inject arbitrary scripts via a metabox field, leading to stored XSS on administrative pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13897?
CVE-2025-13897 is a medium-severity cross-site scripting vulnerability in amu02aftab Client Testimonial Slider, published on 9 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Client Testimonial Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'aft_testimonial_meta_name' custom field in the Client Information metabox in all versions up to, and including, 2.0 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 the injected administrative page.
Weakness: CWE-79
Which versions are affected by CVE-2025-13897?
How do I fix CVE-2025-13897?
No fix has been published for CVE-2025-13897 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-13897 being exploited?
There is no known exploitation of CVE-2025-13897 in the wild and no public exploit code.
Sources
Also known as GHSA-pc52-v769-jjvw.