CVE-2021-36851 MEDIUM

CVE-2021-36851: WordPress Testimonial Slider plugin <= 3.5.8.3 - Cross-Site Scripting (XSS) vulnerability

Vendor Web-Settler
Product Testimonial Slider – Free Testimonials Slider Plugin (WordPress plugin)
Weakness CWE-79 · XSS
Published April 4, 2022
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

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

CVSS vector

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

What the vulnerability does

01Description

Authenticated (editor or higher user role) Cross-Site Scripting (XSS) vulnerability in Web-Settler Testimonial Slider – Free Testimonials Slider Plugin (WordPress plugin) via parameters mpsp_posts_bg_color, mpsp_posts_description_color, mpsp_slide_nav_button_color.

Key dates

02Disclosure timeline

April 4, 2022 CVE published
April 28, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2026-7371 GeoVision LPC2011/LPC2211 Web Interface / ssi.cgi reflected cross-site scripting (XSS) vulnerabilities CVE-2023-49183 WordPress NextScripts Plugin <= 4.4.2 is vulnerable to Cross Site Scripting (XSS) CVE-2024-5020 Multiple Plugins <= (Various Versions) - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via FancyBox JavaScript Library CVE-2023-20005 CVE-2022-25610 WordPress Simple Ajax Chat plugin <= 20220115 - Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability