Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-4061 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
October CMS Web applications / CMS |
Vendor | OctoberCMS |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU29541
Risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-4061
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data copied into Froala richeditor. 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOctober CMS: 1.0.319 - 1.0.466
External linkshttp://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5
http://github.com/octobercms/october/security/advisories/GHSA-3pc2-fm7p-q2vg
http://research.securitum.com/the-curious-case-of-copy-paste/
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.