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CVE-2025-66648

19
FAUCET Score

CVE-2025-66648 is a Cross-Site Scripting (XSS) vulnerability affecting vega-functions versions prior to 6.1.1, where untrusted user input could exploit an internal function to execute arbitrary JavaScript. Rated Medium (CVSS 6.1), this vulnerability requires user interaction and network access, potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.1CPE matchmatch criteria
cpe:2.3:a:vega-functions_project:vega-functions:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
8.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 7th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: vega-functionsFixed in: 6.1.1
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

npmGHSA-m9rg-mr6g-75gmhigh

`vega-functions` vulnerable to Cross-site Scripting via `setdata` function

Jan 5, 2026
redhatCVE-2025-66648Important

vega-functions: vega-functions: Cross-Site Scripting via untrusted user input

Jan 5, 2026

References

github.com / vega/vega/security/advisories/GHSA-m9rg-mr6g-75gm
ExploitVendor Advisory