CVE-2021-24247 Contact Form Check Tester <= 1.0.2 - Broken Access Control to Cross-Site Scripting (XSS)
A stored XSS vulnerability in the Contact Form Check Tester WordPress plugin allows any registered user to inject scripts, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24247?
CVE-2021-24247 is a medium-severity cross-site scripting vulnerability in MooveAgency Contact Form Check Tester, published on 5 May 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Contact Form Check Tester WordPress plugin through 1.0.2 settings are visible to all registered users in the dashboard and are lacking any sanitisation. As a result, any registered user, such as subscriber, can leave an XSS payload in the plugin settings, which will be triggered by any user visiting them, and could allow for privilege escalation. The vendor decided to close the plugin.
Weakness: CWE-79
Which versions are affected by CVE-2021-24247?
It affects 1 product.
Products include Mooveagency Contact Form Check Tester.
How do I fix CVE-2021-24247?
No fix has been published for CVE-2021-24247 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-2021-24247 being exploited?
There is no known exploitation of CVE-2021-24247 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-8p46-3hgg-m4mc.