Cross-site scripting in CKSource CKEditor

1) Cross-site scripting

EUVDB-ID: #VU31182

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-2018-17960

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

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

CKEditor 4.x before 4.11.0 allows user-assisted XSS involving a source-mode paste.

Mitigation

Install update from vendor's website.

Vulnerable software versions

CKEditor: 4.0.0 - 4.10.1

External links

http://www.securityfocus.com/bid/109205
http://ckeditor.com/blog/CKEditor-4.11-with-emoji-dropdown-and-auto-link-on-typing-released/
http://ckeditor.com/cke4/release/CKEditor-4.11.0
http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

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.