#VU18912 Cross-site scripting in MantisBT - CVE-2018-13055

Vulnerability identifier: #VU18912

Vulnerability risk: Medium

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

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

---

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

---

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.