What’s Vulnerable › Vulnerabilities

CVE-2022-39020: Cross-site scripting in Schoolbox version 21.0.2, by Schoolbox Pty Ltd

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-31 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Schoolbox Pty Ltd Schoolbox: 21.0.2

References

• https://www.themissinglink.com.au/security-advisories/cve-2022-39020
• https://www.themissinglink.com.au/security-advisories/cve-2022-39020

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