CVE-2021-24598: Testimonial Builder < 1.6.0 - Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-17 · updated 2026-06-17
Weakness: CWE-79

Description

The Testimonial WordPress plugin before 1.6.0 does not escape some testimonial fields which could allow high privilege users to perform Cross Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

Testimonial: before 1.6.0 — fixed in 1.6.0

How to fix

Upgrade to a fixed version: Testimonial 1.6.0. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2606523/
https://wpscan.com/vulnerability/365c09a7-0b10-4145-a415-5c0e9f429ae0
https://plugins.trac.wordpress.org/changeset/2606523/
https://wpscan.com/vulnerability/365c09a7-0b10-4145-a415-5c0e9f429ae0

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