CVE-2021-20112

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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

References

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

Details

Source: MITRE

Published: 2021-07-30

Updated: 2021-08-02

Type: CWE-79

Risk Information

CVSS v2

Base Score: 3.5

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 6.8

Severity: LOW

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Impact Score: 2.7

Exploitability Score: 2.3

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:* versions up to 14.8.1 (inclusive)