CVE-2021-36851

5.4 mediumEPSS 0.6%

Medium (5.4) in web-settler testimonial slider. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2022-04-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

web-settler:testimonial_slider

References

https://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerability
https://wordpress.org/plugins/testimonial-add/#developers
https://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerability
https://wordpress.org/plugins/testimonial-add/#developers

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