vega up to 6.1.0 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in vega up to 6.1.0. This vulnerability affects unknown code. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2025-66648. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in vega up to 6.1.0. It has been classified as problematic. This affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

vega-functions provides function implementations for the Vega expression language. Prior to version 6.1.1, for sites that allow users to supply untrusted user input, malicious use of an internal function (not part of the public API) could be used to run unintentional javascript (XSS). This issue is fixed in vega-functions `6.1.1`. There is no workaround besides upgrading. Using `vega.expressionInterpreter` as described in CSP safe mode does not prevent this issue.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-66648 since 12/05/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 282585 (Linux Distros Unpatched Vulnerability : CVE-2025-66648), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (282585) and EUVD (EUVD-2025-206236). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 7.2
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 282585
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-66648

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: vega 6.1.1

Timelineinfo

12/05/2025 CVE reserved
01/06/2026 +32 days Advisory disclosed
01/06/2026 +0 days VulDB entry created
02/06/2026 +30 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-m9rg-mr6g-75gm
Status: Confirmed

CVE: CVE-2025-66648 (🔒)
GCVE (CVE): GCVE-0-2025-66648
GCVE (VulDB): GCVE-100-339639
EUVD: 🔒

Entryinfo

Created: 01/06/2026 03:16
Updated: 02/06/2026 00:03
Changes: 01/06/2026 03:16 (63), 01/06/2026 05:02 (1), 01/12/2026 17:08 (2), 02/06/2026 00:03 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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