CVE-2021-20111

Public Exploit

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory tenable.com
Affected: n/a TCExam
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/security/research/tra-2021-32 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-20111?
CVE-2021-20111 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20111?
To fix CVE-2021-20111, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20111 being actively exploited in the wild?
It is possible that CVE-2021-20111 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20111?
CVE-2021-20111 affects n/a TCExam.
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