Medium severity4.1NVD Advisory· Published Apr 4, 2022· Updated Jun 17, 2026
CVE-2021-36851
CVE-2021-36851
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Web-Settler/Testimonial Slider – Free Testimonials Slider Plugin (WordPress plugin)v5Range: <= 3.5.8.3
Patches
Vulnerability mechanics
References
2- patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerabilitynvdThird Party Advisory
- wordpress.org/plugins/testimonial-add/nvdRelease NotesThird Party Advisory
News mentions
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