Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter

Description

In vega 5.30.0 and lower, vega-functions 5.15.0 and lower , it was possible to call JavaScript functions from the Vega expression language that were not meant to be supported.

Recommendation

Update the vega-functions package to the latest compatible version. Followings are version details:

• Affected version(s): < 5.16.0
• Patched version(s): 5.16.0

References

• GHSA-rcw3-wmx7-cphr
• CVE-2025-26619
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter (GHSA-rcw3-wmx7-cphr) - CVE-2025-26619
• Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global varia (GHSA-7f2v-3qq3-vvjf) 2 - CVE-2025-59840
• Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global varia (GHSA-7f2v-3qq3-vvjf) - CVE-2025-59840
• Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global varia - CVE-2025-59840

Tags:

npm

vega-functions