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    CVE-2026-116687

    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 content can execute attacker-controlled JavaScript in a browser context isolated from the origin of the application embedding the editor. This issue is fixed in versions 47.7.4 and 48.5.1.

    Published:Oct 27, 2026
    Last Modified:Oct 27, 2026
    EPS:Oct 27, 2026
    EPSS Score:
    CVSS Score:3.1

    Affected Products

    Vendor
    Ckeditor
    Product
    Ckeditor5

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-28343 (CVSS 6.4) — CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and pr…
    CVE-2025-61261 (CVSS 5.4) — A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to…
    CVE-2025-58064 (CVSS 2.3) — CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard…
    CVE-2025-25299 (CVSS 2.3) — CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. During a recent internal audit, a…
    CVE-2024-45613 (CVSS 5.1) — CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-S…
    CVE-2021-21254 (CVSS 6.5) — CKEditor 5 is an open source rich text editor framework with a modular architecture. The CKEditor 5 Markdown p…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High