What’s Vulnerable › Vulnerabilities

CVE-2018-17960

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-11-14 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• ckeditor4: from 4.0 before 4.11.0 — fixed in 4.11.0

How to fix

Upgrade to a fixed version: ckeditor4 4.11.0. Check the vendor advisory for mitigations.

References

• http://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
• http://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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