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CVE-2026-82810— extension.vn 2FA Authenticator Extension Background Service Worker chrome.runtime.onMessageExternal.addListener information disclosure

Quick assessment

Affected
extension.vn 2FA Authenticator Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Chrome 浏览器中的 extension.vn 2FA Authenticator 扩展程序 1.0.0.2 版本中被发现存在一个安全弱点。受影响的部分是 Background Service Worker（后台服务工作者）组件中的 函数。通过操纵参数 ，可能导致信息泄露。该漏洞的攻击需要本地访问权限。漏洞的利用方式已向公众公开，可用于发起攻击。相关供应商已提前就此次披露事宜进行了联系。

CVSS 3.3 · Low
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I. Basic Information for CVE-2026-82810

Vulnerability Information
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Vulnerability Title
extension.vn 2FA Authenticator Extension Background Service Worker chrome.runtime.onMessageExternal.addListener information disclosure
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
extension.vn 2FA Authenticator Extension 1.0.0.2 cpe:2.3:a:extension.vn:2fa_authenticator_extension:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82810

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III. Intelligence Information for CVE-2026-82810

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Proof of Concept for CVE-2026-82810 (1)

News Coverage for CVE-2026-82810 (1)

Other References for CVE-2026-82810 (2)

IV. Related Vulnerabilities

Same weakness: CWE-200

V. Comments for CVE-2026-82810

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