Vulnerability identifier: #VU28305

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-13239

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
dolibarr
Web applications / CRM systems

Vendor: Dolibarr ERP & CRM

Description

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

The vulnerability exists due to the DMS/ECM module renders user-uploaded .html files in the browser when the attachment parameter is removed from the direct download link. A remote attacker can inject 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

dolibarr: 6.0.0 - 11.0.4

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External links
http://www.dubget.com/stored-xss-via-file-upload.html
http://snyk.io/vuln/SNYK-PHP-DOLIBARRDOLIBARR-570055

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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.