CVE-2021-36869 WordPress Ivory Search plugin <= 4.6.6 - Reflected Cross-Site Scripting (XSS) vulnerability
Attackers can execute arbitrary scripts in victim browsers via a reflected XSS vulnerability in the Ivory Search WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-36869?
CVE-2021-36869 is a medium-severity cross-site scripting vulnerability in Ivory Search (WordPress plugin), published on 21 Oct 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Reflected Cross-Site Scripting (XSS) vulnerability in WordPress Ivory Search plugin (versions <= 4.6.6). Vulnerable parameter: &post.
Weakness: CWE-79
Which versions are affected by CVE-2021-36869?
It affects 1 product.
Products include Ivorysearch Ivory Search.
How do I fix CVE-2021-36869?
No fix has been published for CVE-2021-36869 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-2021-36869 being exploited?
There is no known exploitation of CVE-2021-36869 in the wild and no public exploit code.
Other vulnerabilities in Ivory Search (WordPress plugin)
- CVE-2021-24234 Ivory Search < 4.6.1 - Reflected Cross Site Scripting (XSS)
- CVE-2024-6835 Ivory Search – WordPress Search Plugin <= 5.5.6 - Information Exposure via AJAX Search Form
- CVE-2025-5209 Ivory Search < 5.5.10 - Admin+ Stored XSS
- CVE-2021-25105 Ivory Search < 5.4.1 - Multiple Admin+ Stored Cross-Site Scripting
Sources
Also known as GHSA-5g3x-85qh-f5cx.