GHSA-7F2V-3QQ3-VVJF Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global variable

Impact Applications meeting 2 conditions are at risk of arbitrary JavaScript code execution, even if "safe mode" expressionInterpreter is used. 1. Use vega in an application that attaches vega library and a vega.View instance similar to the Vega Editor to the global window 2. Allow user-defined...

CVE-2025-59840

CVE-2025-59840 (Vega XSS) : The vulnerability affects Vega prior to 6.2.0 where an application that attaches the Vega library and a global vega.View instance to window and allows user-defined Vega JSON can be exploited to execute arbitrary JavaScript, even with safe mode expressionInterpreter. Th...