Vulnerability identifier: #VU18912

Vulnerability risk: Medium

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-2018-13055

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MantisBT
Web applications / Other software

Vendor: mantisbt.sourceforge.net

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the "view_filters_page.php" page. A remote attacker can inject arbitrary code (if CSP settings permit it) through a crafted "PATH_INFO".

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: 2.1.0 - 2.17.0

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External links
http://github.com/mantisbt/mantisbt/commit/4efac90ed89a5c009108b641e2e95683791a165a
http://mantisbt.org/blog/archives/mantisbt/602
http://mantisbt.org/bugs/view.php?id=24580

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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.