Cross-site scripting in Pimcore

1) Cross-site scripting

EUVDB-ID: #VU22799

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-2019-18982

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

Exploit availability: No

Description

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

The vulnerability exists in the "bundles/AdminBundle/Controller/Admin/EmailController.php" file due to the lack of a Content-Security-Policy header. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in the Email Log preview window 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 updates from vendor's website.

Vulnerable software versions

Pimcore: 6.0.0 - 6.2.3

External links

http://github.com/pimcore/pimcore/commit/e0b48faf7d29ce43a98825a0b230e88350ebcf78
http://github.com/pimcore/pimcore/compare/v6.2.3...v6.3.0

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.