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...

Cross-site Scripting (XSS)

Overview org.webjars.npm:vega-interpreter is a WebJar for vega-interpreter. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the toString function in environments where the VEGADEBUG global variable is present. An attacker can execute arbitrary JavaScript code by...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the toString function in environments where the VEGADEBUG global variable is present. An attacker can execute arbitrary JavaScript code by supplying crafted Vega JSON definitions that abuse expression...

Cross-site Scripting (XSS)

Overview vega-interpreter is a CSP-compliant interpreter for Vega expressions. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the toString function in environments where the VEGADEBUG global variable is present. An attacker can execute arbitrary JavaScript code b...

Cross-site Scripting (XSS)

Overview org.webjars.npm:vega-expression is a WebJar for vega-expression. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the toString function in environments where the VEGADEBUG global variable is present. An attacker can execute arbitrary JavaScript code by...

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...