CVE-2022-39020 Cross-site scripting in Schoolbox version 21.0.2, by Schoolbox Pty Ltd
Attackers can inject malicious scripts via various features like assessments and file uploads, potentially compromising user accounts.
- 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-2022-39020?
CVE-2022-39020 is a high-severity cross-site scripting vulnerability in Schoolbox, published on 31 Oct 2022. 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
Multiple instances of XSS (stored and reflected) was found in the application. For example, features such as student assessment submission, file upload, news, ePortfolio and calendar event creation were found to be vulnerable to cross-site scripting.
Weakness: CWE-79
Which versions are affected by CVE-2022-39020?
It affects 1 product.
Products include Schoolbox Schoolbox.
How do I fix CVE-2022-39020?
No fix has been published for CVE-2022-39020 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-2022-39020 being exploited?
There is no known exploitation of CVE-2022-39020 in the wild and no public exploit code.
Other vulnerabilities in Schoolbox
- CVE-2024-28094 Blind SQL Injection in Chat functionality in Schoolbox
- CVE-2022-3059 SQL injection in Schoolbox version 21.0.2, by Schoolbox Pty Ltd
- CVE-2024-28095 Stored Cross-site Scripting in News functionality in Schoolbox
- CVE-2024-28096 Stored Cross-site Scripting in Class functionality in Schoolbox
- CVE-2024-28097 Stored Cross-site Scripting in Calendar functionality in Schoolbox
Sources
Also known as GHSA-297g-9xq6-v8vj.