Cross-site scripting in mantisbt.sourceforge.net MantisBT

1) Cross-site scripting

EUVDB-ID: #VU39176

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]

CVE-ID: CVE-2017-7897

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 MantisBT (2.3.x before 2.3.2) Timeline include page, used in My View (my_view_page.php) and User Information (view_user_page.php) pages,. A remote 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

Install update from vendor's website.

Vulnerable software versions

MantisBT: 2.3.0 - 2.3.1

External links

http://www.mantisbt.org/bugs/view.php?id=22742
http://www.securitytracker.com/id/1038278
http://github.com/mantisbt/mantisbt/commit/a1c719313d61b07bbe8700005807b8195fdc32f1
http://github.com/mantisbt/mantisbt/pull/1094

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.