PT-2026-1340 · Unknown+1 · Vega-Functions+1

Published 2026-01-05 · Updated 2026-02-05 · CVE-2025-66648

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions vega-functions versions prior to 6.1.1

Description vega-functions provides function implementations for the Vega expression language. For sites accepting untrusted user input, a malicious actor could exploit an internal function to execute unintended JavaScript code (Cross-Site Scripting). Utilizing vega.expressionInterpreter in CSP safe mode does not prevent this issue.

Recommendations Upgrade to vega-functions version 6.1.1 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66648

GHSA-M9RG-MR6G-75GM

Affected Products

Debian

Vega-Functions

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66648.json · Exploit
• https://github.com/vega/vega/security/advisories/GHSA-m9rg-mr6g-75gm · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66648 · Security Note
• https://ubuntu.com/security/CVE-2025-66648 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-66648 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-m9rg-mr6g-75gm · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-66648 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-66648 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-66648 · Security Note
• https://osv.dev/vulnerability/CVE-2025-66648 · Vendor Advisory
• https://github.com/vega/vega · Note
• https://twitter.com/CVEnew/status/2008346556962103611 · Twitter Post
• https://t.me/cveNotify/151053 · Telegram Post
• https://t.me/CVEtracker/41432 · Telegram Post