CVE-2026-123711 WPCOM Member < 1.8.3 - Unauthenticated Account Takeover via WeChat Login Code Brute-Force

HighCVSS 8.1 EPSS 0.14%

Published: 2026-11-13 08:00
Updated: 2026-11-13 21:19
Exploit status: No public exploit known

Description

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.

Affected products

No affected product data has been published yet.

References

wpscan.com exploit technical-description vdb-entry

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Weakness & likelihood

EPSS (exploitation probability, 30 days): 0.14% (percentile 3.2)
CWE: CWE-287 Improper Authentication

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.