CVE-2022-39020
Cross-site scripting in Schoolbox version 21.0.2, by Schoolbox Pty Ltd
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Cross-site scripting in Schoolbox version 21.0.2, by Schoolbox Pty Ltd
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.
- Record
CVE-2022-39020- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2022-41566
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.
- Record
EUVD-2022-41566- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-297g-9xq6-v8vj
Multiple instances of XSS (stored and reflected) was found in the application. For example,...
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.
- Record
GHSA-297g-9xq6-v8vj- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-39020- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-39020 is a high vulnerability (CVSS 7.6) in Schoolbox, published October 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.