#VU31182 Cross-site scripting in CKEditor - CVE-2018-17960

Vulnerability identifier: #VU31182

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-17960

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CKEditor
Web applications / JS libraries

Vendor: CKSource

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

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

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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.