Vulnerability identifier: #VU9724

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JobControl
Client/Desktop applications / Other client software

Vendor: TYPO3

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
Versions of this extension that are known to be vulnerable will no longer be available for download from the TYPO3 Extension Repository. The extension author is no longer maintaining this extension. The vendor recommend to uninstall and delete the extension from the installation.

Vulnerable software versions

JobControl: 2.12.1 - 2.16.0

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External links
http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2017-019/

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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.