Multiple vulnerabilities in osTicket

Published: 2021-03-04

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE ID	N/A
CWE ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	osTicket Other software / Other software solutions
Vendor	osTicket.com

Security Advisory

1) Cross-site scripting

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in FormAction Attribute. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

osTicket: 1.14, 1.14.1, 1.14.2, 1.14.3, 1.14.4, 1.14.5, 1.15, 1.15.1

CPE

External links

https://github.com/osTicket/osTicket/releases/tag/v1.15.2
https://github.com/osTicket/osTicket/releases/tag/v1.14.6

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting