WPCOM Member Plugin up to 1.8.2 on WordPress WeChat Login improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00+

Summaryinfo

A vulnerability was found in WPCOM Member Plugin up to 1.8.2. It has been declared as critical. Affected by this issue is some unknown functionality of the component WeChat Login. Executing a manipulation can lead to improper authentication. The identification of this vulnerability is CVE-2026-123711. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in WPCOM Member Plugin up to 1.8.2. It has been declared as critical. This vulnerability affects some unknown processing of the component WeChat Login. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The WPCOM Member WordPress plugin before 1.8.3 does not limit or bind attempts to verify WeChat login codes, allowing unauthenticated attackers to brute-force a code issued to another user and log in as that user, including administrators, when WeChat official-account keyword login is enabled.

The advisory is shared for download at wpscan.com. This vulnerability was named CVE-2026-123711 since 11/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.8.3 eliminates this vulnerability.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WPCOM Member Plugin 1.8.3

Timelineinfo

11/06/2026 CVE reserved
11/13/2026 +7 days Advisory disclosed
11/13/2026 +0 days VulDB entry created
11/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CNA: WPScan
CVE: CVE-2026-123711 (🔒)

GCVE (CVE): GCVE-0-2026-123711
GCVE (VulDB): GCVE-100-436624

Entryinfo

Created: 11/13/2026 07:27
Changes: 11/13/2026 07:27 (55)
Complete: 🔍
Cache ID: 216::103

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