CVE-2021-36851 WordPress Testimonial Slider plugin <= 3.5.8.3 - Cross-Site Scripting (XSS) vulnerability
Authenticated attackers can inject malicious scripts via color parameters in the Testimonial Slider plugin, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36851?
CVE-2021-36851 is a medium-severity cross-site scripting vulnerability in Web-Settler Testimonial Slider – Free Testimonials Slider Plugin (WordPress plugin), published on 4 Apr 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-36851?
It affects 1 product.
Products include Web-Settler Testimonial Slider.
How do I fix CVE-2021-36851?
No fix has been published for CVE-2021-36851 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-36851 being exploited?
There is no known exploitation of CVE-2021-36851 in the wild and no public exploit code.
Sources
Also known as GHSA-rjq3-c2jr-r9rq.