---
id: "CVE-2026-107435"
kind: "vulnerability"
aliases: ["CVE-2026-107435"]
title: "WordPress Strong Testimonials plugin: stored XSS through version 3.3.12"
severity: "high"
cvss: 7.1
epss: 0.00146
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "self-hosted", "wordpress", "wordpress-plugin"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-21T08:16:41+00:00"
first_seen_at: "2026-10-23T21:57:28+00:00"
updated_at: "2026-10-25T03:31:56+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107435", "first_seen_at": "2026-10-23T21:57:28+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-107435", "first_seen_at": "2026-10-24T13:15:54+00:00"}]
---

# WordPress Strong Testimonials plugin: stored XSS through version 3.3.12

The Strong Testimonials WordPress plugin does not neutralize input before generating pages, which allows stored cross-site scripting. An attacker who can submit content can run script in the browser of other visitors or administrators.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Strong Testimonials plugin version in the WordPress admin under Plugins, or with `wp plugin get strong-testimonials --field=version`
- Compare the result with the fixed version, which the sources do not state: unknown

## Fix

- Update the Strong Testimonials plugin to a version later than `3.3.12`; the exact fixed version is unknown from the sources
- Until updated, restrict who can submit or edit testimonials

## Timeline

- 2026-10-23T21:57:28+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-107435
- 2026-10-24T13:15:54+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-107435

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill Strong Testimonials strong-testimonials allows Stored XSS.This issue affects Strong Testimonials: from n/a through 3.3.12.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_