CVE-2026-82810

extension.vn 2FA Authenticator Extension Background Service Worker chrome.runtime.onMessageExternal.addListener information disclosure

Published Aug 31, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title extension.vn 2FA Authenticator Extension Background Service Worker chrome.runtime.onMessageExternal.addListener information disclosure
First Time appeared Extension.vn
Extension.vn 2fa Authenticator Extension
Weaknesses CWE-200
CWE-284
CPEs cpe:2.3:a:extension.vn:2fa_authenticator_extension:*:*:*:*:*:*:*:*
Vendors & Products Extension.vn
Extension.vn 2fa Authenticator Extension
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 2, 2026, 2:01 PM
Reserved
Aug 31, 2026, 5:03 AM
Status
Deferred
Published
Aug 31, 2026, 5:17 PM
Modified
Sep 2, 2026, 3:17 PM