CVE-2022-40213 MEDIUM

CVE-2022-40213: WordPress GS Testimonial Slider plugin <= 1.9.6 - Multiple Authenticated Stored Cross-Site Scripting (XSS) vulnerabilities

Vendor Gs Plugins
Product GS Testimonial Slider (WordPress plugin)
Weakness CWE-79 · XSS
Published September 23, 2022
Last update April 28, 2026

CVSS base score

4.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

What the vulnerability does

01Description

Multiple Authenticated (contributor+) Stored Cross-Site Scripting (XSS) vulnerabilities in GS Testimonial Slider plugin <= 1.9.6 at WordPress.

Explanation of Vulnerability in Simple Terms

02Summary

The GS Testimonial Slider WordPress plugin through version 1.9.6 contains a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious JavaScript into testimonial content. When other users view the affected page, the injected script executes in their browser, potentially allowing session hijacking or credential theft.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs when other users view testimonials.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors; may lead to account compromise or data theft.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress account and a victim must view the affected page.

Key dates

06Disclosure timeline

September 23, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE