Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2024-29881
CVE-2024-29881:
JavaScript vulnerability analysis and mitigation
Overview
A cross-site scripting (XSS) vulnerability was discovered in TinyMCE's content loading and content inserting code. The vulnerability affects TinyMCE versions prior to 6.8.1 and 7.0.0. The issue allows SVG images to be loaded through object or embed elements, which could potentially contain XSS payloads (GitHub Advisory).
Technical details
The vulnerability is related to the handling of external SVG files through Object or Embed elements in TinyMCE. The issue has been assigned a CVSS v3.1 score of 4.3 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, indicating that it requires user interaction and can lead to low confidentiality impact (NVD).
Impact
If exploited, the vulnerability could allow attackers to execute arbitrary JavaScript code in the context of the user's browser through specially crafted SVG images loaded via object or embed elements (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been fixed in TinyMCE versions 6.8.1 and 7.0.0. For version 6.8.1, users can set convertunsafeembeds to true. For earlier versions, it is recommended to implement a custom NodeFilter to remove or modify any object or embed elements using the editor.parser.addNodeFilter and editor.serializer.addNodeFilter APIs. In version 7.0.0, the convertunsafeembeds option is enabled by default (TinyMCE Docs).
Additional resources
Source: This report was generated using AI
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