Vulnerability identifier: #VU35826
Vulnerability risk: Low
CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
concrete5
Web applications /
CMS
Vendor: PortlandLabs
Description
The vulnerability allows a remote privileged user to read and manipulate data.
Concrete5 8.4.3 has XSS because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.
Mitigation
Install update from vendor's website.
Vulnerable software versions
concrete5: 8.4.3
External links
http://hackerone.com/concrete5?view_policy=true
http://hackerone.com/reports/437863
http://www.concrete5.org/
http://www.w3.org/TR/SVG2/intro.html#W3CCompatibility
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.