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CVE-2026-39744— WordPress WCFM Membership plugin <= 2.12.0 - Cross Site Scripting (XSS) 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.

WC Lovers 开发的 WCFM Membership（wc-multivendor-membership）插件在生成网页时存在输入未正确中和的漏洞（即“跨站脚本攻击”，XSS），可导致存储型 XSS 攻击。该问题影响 WCFM Membership 插件从早期版本至 2.12.0 版本。

CVSS 7.1 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-39744

Vulnerability Information
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Vulnerability Title
WordPress WCFM Membership plugin <= 2.12.0 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WC Lovers WCFM Membership wc-multivendor-membership allows Stored XSS.This issue affects WCFM Membership: from n/a through 2.12.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WC Lovers WCFM Membership 0 ~ 2.12.0 -

II. Public POCs for CVE-2026-39744

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III. Intelligence Information for CVE-2026-39744

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Other References for CVE-2026-39744 (1)

IV. Related Vulnerabilities

Same product: WCFM Membership
Same vendor: WC Lovers
Same weakness: CWE-79