Cross-site scripting in vega - CVE-2025-25304
Published: February 14, 2025 / Updated: April 23, 2026
Vulnerability identifier: #VU127087
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-25304
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Vega
Affected software:
vega
vega
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary JavaScript in the victim's browser.
The vulnerability exists due to cross-site scripting in the vlSelectionTuples function when processing attacker-controlled Vega input. A remote attacker can supply crafted input that causes JavaScript functions to be called to execute arbitrary JavaScript in the victim's browser.
How to mitigate CVE-2025-25304
Install security update from vendor's website.