What’s Vulnerable › Vulnerabilities

CVE-2021-20111

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-30 · updated 2026-06-17
• Weakness: CWE-79

Description

A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Valid files uploaded via tce_filemanager.php with a filename beggining with a period will be rendered as text/html. An attacker with access to tce_filemanager.php could upload a malicious javascript payload which would be triggered when another user views the file.

Affected products

• TCExam: through 14.8.1

References

• https://www.tenable.com/security/research/tra-2021-32
• https://www.tenable.com/security/research/tra-2021-32

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