Vulnerability identifier: #VU13847

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-12981

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
WAGO e!DISPLAY 7300T 762-300
Hardware solutions / Firmware
WAGO e!DISPLAY 7300T 762-3002
Hardware solutions / Firmware
WAGO e!DISPLAY 7300T 762-3001
Hardware solutions / Firmware
WAGO e!DISPLAY 7300T 762-3000
Hardware solutions / Firmware

Vendor: WAGO

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. 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
Update to version 02.

Vulnerable software versions

WAGO e!DISPLAY 7300T 762-300: 01

WAGO e!DISPLAY 7300T 762-3002: 01

WAGO e!DISPLAY 7300T 762-3001: 01

WAGO e!DISPLAY 7300T 762-3000: 01

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External links
http://www.wago.com/medias/SA-WBM-2018-004.pdf?context=bWFzdGVyfHJvb3R8MjgyNzYwfGFwcGxpY2F0aW9uL3Bk...

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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.