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

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-59840 · Microsoft / collected KEV context

EUVD-2025-175359

GHSA-7f2v-3qq3-vvjf

cve-program · CVE-2025-59840

• https://github.com/vega/vega/security/advisories/GHSA-7f2v-3qq3-vvjf

euvd · EUVD-2025-175359

• https://github.com/vega/vega/security/advisories/GHSA-7f2v-3qq3-vvjf

nvd · CVE-2025-59840

• https://github.com/vega/vega/security/advisories/GHSA-7f2v-3qq3-vvjf

osv · GHSA-7f2v-3qq3-vvjf

• https://github.com/vega/vega/security/advisories/GHSA-7f2v-3qq3-vvjf
• https://nvd.nist.gov/vuln/detail/CVE-2025-59840
• https://github.com/vega/editor/blob/e102355589d23cdd0dbfd607a2cc5f9c5b7a4c55/src/components/renderer/renderer.tsx#L239
• https://github.com/vega/editor/blob/e102355589d23cdd0dbfd607a2cc5f9c5b7a4c55/src/index.tsx#L14-L16
• https://github.com/vega/vega
• https://vega.github.io/editor/#/url/vega/N4IgJAzgxgFgpgWwIYgFwhgF0wBwqgegIDc4BzJAOjIEtMYBXAI0poHsDp5kTykSArJQBWENgDsQAGhAB3GgBN6aAMwCADDPg0yWVRplIGmNhBoAvOGhDiJVmQrjQATjRyZ2k9ABU2ZMgA2cAAEAELGJpIyZmTiSAEQaADaoHEIVugm-kHSIMTxDBmYzoUyEsmgcKTimImooJgAnjgZIFABNFAA1rnIzl1prVA0zu1WAL4yDDgKSJitWYEhAPzBAGbxECGowcWFIOMAupOpSOnWSAoKAGI0AfPOueWoKSBVcDV1Dc2tCGwMWz+pFyYgYo1a8nECjYsgOUxmc1aAApgCYAMrFGjiMiod41SjEGhwWSUABqAFEAOIAQQA+gARcmhACqlIJfEoAGEkOJ8hAABI8hRBZyUHDONgmJotSgSKTBPGYAByZzguOqmAJRJJUAkYiClACfiktJgQpF+GADChcDWWLgClQAHJ4nBnJgkWxXLRxMEANTBAAGwQAGmi0cEJMFSM4zFHAwGKTSGUzWWSqXSKQAlNEASQA8kqAJROyam81u3M2gAe6o+msJxMoVXi4yLfoAjAdjscgA
• https://vega.github.io/vega/usage/interpreter

No related operational record is retained in the current change model.