CVE-2021-24498 Calendar Event Multi View < 1.4.01 - Unauthenticated Reflected Cross-Site Scripting (XSS)
Unauthenticated attackers can execute arbitrary scripts via reflected XSS in the Calendar Event Multi View WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24498?
CVE-2021-24498 is a medium-severity cross-site scripting vulnerability in Unknown Calendar Event Multi View, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.
Weakness: CWE-79
Which versions are affected by CVE-2021-24498?
It affects 1 product.
Products include Dwbooster Calendar Event Multi View.
How do I fix CVE-2021-24498?
No fix has been published for CVE-2021-24498 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-2021-24498 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24498 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Unknown Calendar Event Multi View
Sources
Also known as GHSA-556c-5rxg-4747.