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CVE-2026-84756— WordPress WCFM Membership plugin <= 2.11.11 - Privilege Escalation vulnerability

Quick assessment

Affected
WC Lovers WCFM Membership
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.

WordPress WCFM Membership是WordPress基金会的一款CMS插件。 WordPress WCFM Membership 2.11.11及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于不正确的权限分配，可能导致订阅者权限提升。

CVSS 7.1 · High EPSS 0.21% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
WC Lovers WCFM Membership n/a≤ 2.11.11 affected
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I. Basic Information for CVE-2026-84756

Vulnerability Information
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Vulnerability Title
WordPress WCFM Membership plugin <= 2.11.11 - Privilege Escalation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber Privilege Escalation in WCFM Membership <= 2.11.11 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress WCFM Membership 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress WCFM Membership是WordPress基金会的一款CMS插件。 WordPress WCFM Membership 2.11.11及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于不正确的权限分配，可能导致订阅者权限提升。
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
WC Lovers WCFM Membership n/a ~ 2.11.11 -

II. Public POCs for CVE-2026-84756

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III. Intelligence Information for CVE-2026-84756

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Security Blog Posts for CVE-2026-84756 (1)

IV. Related Vulnerabilities

Same product: WCFM Membership
Same vendor: WC Lovers
Same weakness: CWE-266

V. Comments for CVE-2026-84756

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