CVE-2021-24813 Events Made Easy < 2.2.24 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via unsanitized custom field names in the Events Made Easy plugin, bypassing HTML filtering restrictions.
- 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-2021-24813?
CVE-2021-24813 is a medium-severity cross-site scripting vulnerability in Unknown Events Made Easy, published on 1 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Weakness: CWE-79
Which versions are affected by CVE-2021-24813?
It affects 1 product.
Products include E-Dynamics Events Made Easy.
How do I fix CVE-2021-24813?
No fix has been published for CVE-2021-24813 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-2021-24813 being exploited?
There is no known exploitation of CVE-2021-24813 in the wild and no public exploit code.
Other vulnerabilities in Unknown Events Made Easy
Sources
Also known as GHSA-8jpj-47rv-xvr4.