CVE-2025-59840Published

Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global variable

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2025-59840

Published

vega

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "vega",
                    "product": "vega",
                    "versions": [
                        {
                            "version": "vega < 6.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "vega-expression >= 6.0.0, < 6.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "vega-expression < 5.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "vega-interpreter >= 2.0.0, < 2.2.1",
                            "status": "affected"
                        },
                        {
                            "version": "vega-interpreter < 1.2.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON