CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 45.0.0 until 47.7.4 and 48.5.1, the engine uses a vulnerable es-toolkit version whose prototype-pollution behavior can be reached while CKEditor processes incoming style attribute values. Crafted ed...
Product
ckeditor5 vulnerabilities
10 published CVES affecting ckeditor5, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 10
- Critical
- 0
- High
- 1
- Medium
- 6
- Low
- 3
- Unscored
- 0
- CISA KEV
- 0
Latest ckeditor5 CVEs
Newest publication first
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HighCVSS 8.1 EPSS 0.50%
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LowCVSS 3.1 EPSS 0.25%
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. From 29.0.0 until 47.7.4 and 48.5.1, specially crafted markup can trigger cross-site scripting when General HTML Support is enabled and specifically configured to allow object content. Processing that co...
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MediumCVSS 6.1 EPSS 0.32%
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by insert...
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MediumCVSS 5.4 EPSS 0.29%
A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted payload.
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CVE-2025-58064 CKEditor is susceptible to Cross-Site Scripting (XSS) through its clipboard package
PublishedLowCVSS 2.3 EPSS 0.42%CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard versions 46.0.0 through 46.0.2 and 44.2.0 through 45.2.1 contain a Cross-Site Scripting (XSS) vulnerability. Ability to exploit could be triggered by a specific user act...
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LowCVSS 2.3 EPSS 0.60%
CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a Cross-Site Scripting (XSS) vulnerability was discovered in the CKEditor 5 real-time collaboration package. This vulnerability affects user markers, which represent users...
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MediumCVSS 5.1 EPSS 0.52%
CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized...
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CVE-2022-31175 Cross-site scripting caused by the editor instance destroying process in ckeditor5
PublishedMediumCVSS 4.7 EPSS 0.88%CKEditor 5 is a JavaScript rich text editor. A cross-site scripting vulnerability has been discovered affecting three optional CKEditor 5's packages in versions prior to 35.0.1. The vulnerability allowed to trigger a JavaScript code after fulfilling special conditions. The affect...
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MediumCVSS 6.5 EPSS 1.7%
CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal...
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MediumCVSS 6.5 EPSS 1.8%
CKEditor 5 is an open source rich text editor framework with a modular architecture. The CKEditor 5 Markdown plugin (@ckeditor/ckeditor5-markdown-gfm) before version 25.0.0 has a regex denial of service (ReDoS) vulnerability. The vulnerability allowed to abuse link recognition re...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.