XSS in Adobe RoboHelp and RoboHelp Server

1) Cross-site scripting

EUVDB-ID: #VU82290

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2007-1280

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

Exploit availability: Yes

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in Adobe RoboHelp when processing user-supplied input in URL passed after the # (hash). 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.

The vulnerability can also be exploited via vectors involving templates and whstart.js, whcsh_home.htm files in WebHelp, wf_startpage.js and wf_startqs.htm files in FlashHelp, and WindowManager.dll file in RoboHelp Server.

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

RoboHelp: 6 - x5

RoboHelp Server: 6.0

External links

http://helpx.adobe.com/cz/security/products/robohelp.html

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.