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CVE-2026-82810: Information Disclosure in extension.vn 2FA Authenticator Extension

0
Medium
VulnerabilityCVE-2026-82810cvecve-2026-82810
Published: 08/31/2026 (08/31/2026, 16:45:09 UTC)
Source: CVE Database V5
Vendor/Project: extension.vn
Product: 2FA Authenticator Extension

Description

A weakness has been identified in extension.vn 2FA Authenticator Extension 1.0.0.2 on Chrome. The impacted element is the function chrome.runtime.onMessageExternal.addListener of the component Background Service Worker. Executing a manipulation of the argument sender.id can lead to information disclosure. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

CVSS v4.0

Score 4.8medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

Affected software

Affected versions
=1.0.0.2
CPE configurations
cpe:2.3:a:extension.vn:2fa_authenticator_extension:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-31T05:03:03.440Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a95b160acd9273b4959f86f

Added to database: 08/31/2026, 16:52:48 UTC

Last updated: 08/31/2026, 17:37:25 UTC

Views: 3

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