Cross-site scripting in OTRS

1) Cross-site scripting

EUVDB-ID: #VU45212

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2010-4762

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the rich-text-editor component in Open Ticket Request System (OTRS) before 3.0.0-beta2. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

OTRS: 0.5 - 2.4.10

CPE2.3

• cpe:2.3:a:otrs_org:open_ticket_request_system:0.5:*:*:*:*:*:*:*
• cpe:2.3:a:otrs_org:open_ticket_request_system:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:otrs_org:open_ticket_request_system:1.0.0:*:*:*:*:*:*:*

External links

https://bugs.otrs.org/show_bug.cgi?id=5724
https://source.otrs.org/viewvc.cgi/otrs/CHANGES?revision=1.1807

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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