Vulnerability identifier: #VU83560
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-434
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
October CMS
Web applications /
CMS
Vendor: OctoberCMS
Description
The vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability exists due to the application allows upload of SVG files. A remote user can upload a malicious SVG file with XSS payload in it and execute arbitrary JavaScript code.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
October CMS: 3.0.0 - 3.0.74, 3.5.0 - 3.5.1, 3.1.0 - 3.1.26
External links
http://github.com/octobercms/october/security/advisories/GHSA-rvx8-p3xp-fj3p
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.