CVE-2026-57661— WordPress WPComplete plugin <= 2.9.5.5 - Broken Access Control vulnerability
Quick assessment
Affected
Nexcess WPComplete
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.
Nexcess WPComplete是Nexcess的一款WordPress插件，用于完善购买流程。 Nexcess WPComplete 2.9.5.5及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致订阅者角色用户权限被破坏。
Possible ATT&CK Techniques 1 AI
T1078 · Valid AccountsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Nexcess | WPComplete | n/a≤ 2.9.5.5 |
affected |
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I. Basic Information for CVE-2026-57661
Vulnerability Information
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Vulnerability Title
WordPress WPComplete plugin <= 2.9.5.5 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber Broken Access Control in WPComplete <= 2.9.5.5 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Nexcess WPComplete 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nexcess WPComplete是Nexcess的一款WordPress插件，用于完善购买流程。 Nexcess WPComplete 2.9.5.5及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致订阅者角色用户权限被破坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Nexcess | WPComplete | n/a ~ 2.9.5.5 | - |
|
II. Public POCs for CVE-2026-57661
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-57661 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-57661
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