Vulnerability identifier: #VU21740

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2015-6972

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Openfire
Web applications / Modules and components for CMS

Vendor: Ignite Realtime

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error when processing data passed via the "groupchatName" parameter to plugins/clientcontrol/create-bookmark.jsp, via the "urlName" parameter to plugins/clientcontrol/create-bookmark.jsp, via the  "hostname" parameter to server-session-details.jsp, and via the  "search" parameter to group-summary.jsp. 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

Openfire: 3.10.0 - 3.10.2

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External links
http://hyp3rlinx.altervista.org/advisories/AS-OPENFIRE-XSS.txt
http://packetstormsecurity.com/files/133558/Openfire-3.10.2-Cross-Site-Scripting.html
http://security.gentoo.org/glsa/201612-50
http://www.exploit-db.com/exploits/38191/

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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. However, proof of concept for this vulnerability is available.