CVE-2021-30111 Cross-site scripting in n/a
Attackers can inject malicious JavaScript into event fields, which executes for other users viewing the events.
- 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-2021-30111?
CVE-2021-30111 is a medium-severity cross-site scripting vulnerability in n/a, published on 8 Apr 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
A stored XSS vulnerability exists in Web-School ERP V 5.0 via (Add Events) in the event name and description fields. An attack can inject a JavaScript code that will be stored in the page. If any visitor sees the events, then the payload will be executed.
Weakness: CWE-79
Which versions are affected by CVE-2021-30111?
It affects 1 product.
Products include Web-School Enterprise Resource Planning.
How do I fix CVE-2021-30111?
No fix has been published for CVE-2021-30111 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-2021-30111 being exploited?
There is no known exploitation of CVE-2021-30111 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7wqr-7hpc-ghmh.