CVE-2021-4103
JavaScript vulnerability analysis and mitigation

Overview

Cross-site Scripting (XSS) - Stored vulnerability was discovered in GitHub repository vanessa219/vditor versions prior to 1.0.34 (CVE-2021-4103). The vulnerability was related to SVG event handling that could lead to XSS attacks (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.4 (Medium) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. The issue was classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).

Impact

The vulnerability could allow an attacker to execute malicious scripts in the context of the affected application, potentially leading to theft of sensitive information or manipulation of web content (NVD).

Mitigation and workarounds

Users should upgrade to Vditor version 1.0.34 or later which contains the fix for this vulnerability. The fix was implemented through a patch addressing the SVG event-related XSS issue (GitHub Patch).

Additional resources


SourceThis report was generated using AI

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