CVE-2021-25046 Modern Events Calendar Lite < 6.2.0 - Subscriber+ Category Add Leading to Stored XSS
Logged-in users can inject malicious scripts via category parameters, leading to stored XSS in the admin panel.
- 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-2021-25046?
CVE-2021-25046 is a medium-severity cross-site scripting vulnerability in Unknown Modern Events Calendar Lite, published on 17 Jan 2022. 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 Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.
Weakness: CWE-79
Which versions are affected by CVE-2021-25046?
It affects 1 product.
Products include Webnus Modern Events Calendar Lite.
How do I fix CVE-2021-25046?
No fix has been published for CVE-2021-25046 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-2021-25046 being exploited?
There is no known exploitation of CVE-2021-25046 in the wild and no public exploit code.
Other vulnerabilities in Unknown Modern Events Calendar Lite
- CVE-2021-24946 Modern Events Calendar < 6.1.5 - Unauthenticated Blind SQL Injection
- CVE-2021-24149 Modern Events Calendar Lite < 5.16.6 - Authenticated SQL Injection
- CVE-2021-24146 Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export
- CVE-2021-24145 Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE
- CVE-2021-24925 Modern Events Calendar Lite < 6.1.5 - Reflected Cross-Site Scripting
Sources
Also known as GHSA-pv7x-h3w5-m6h9.