#VU66942 Cross-site scripting in Oxygen XML WebHelp


Published: 2022-09-02

Vulnerability identifier: #VU66942

Vulnerability 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-2021-46827

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oxygen XML WebHelp
Other software / Other software solutions

Vendor: SyncRO Soft

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in search terms proposals in online documentation generated with Oxygen XML WebHelp. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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

Oxygen XML WebHelp: 17.0 2015043018 - 23.1 2021121412


External links
http://www.oxygenxml.com/security/advisory/SYNC-2021-072301.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.


Latest bulletins with this vulnerability