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CVE-2017-15580

CRITICAL

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. However, it does not properly validate the uploaded file's contents and thus accepts any type of file, such as with a tickets.php request that is modified with a .html extension changed to a .exe extension. An attacker can leverage this vulnerability to upload arbitrary files on the web application having malicious content.

Published: Oct 23, 2017 Modified: Jun 17, 2026
CWE-434

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
osticket osticket 1.10.1

GitHub Security Advisory GHSA-3grx-cccr-q3vw

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. However,...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 15.56%

Top 3% most likely to be exploited

Threat Score 43.9 / 100

Data Sources

NVD EPSS GitHub