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CVE-2026-12114— Team Members <= 8.7 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'custom_css' Parameter

Quick assessment

Affected
wpmart Team Members – Multi Language Supported Team Plugin
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.

wpmart Team Members是wpmart团队的一个支持多语言的团队成员展示插件。 wpmart Team Members 8.7及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致通过管理员设置进行存储型跨站脚本攻击。

CVSS 4.4 · Medium EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmart Team Members – Multi Language Supported Team Plugin ≤ 8.7 affected
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I. Basic Information for CVE-2026-12114

Vulnerability Information
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Vulnerability Title
Team Members <= 8.7 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'custom_css' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Team Members – Multi Language Supported Team Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 8.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
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
Vulnerability Title
wpmart Team Members 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wpmart Team Members是wpmart团队的一个支持多语言的团队成员展示插件。 wpmart Team Members 8.7及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致通过管理员设置进行存储型跨站脚本攻击。
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
wpmart Team Members – Multi Language Supported Team Plugin 0 ~ 8.7 -

II. Public POCs for CVE-2026-12114

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III. Intelligence Information for CVE-2026-12114

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Patches & Fixes for CVE-2026-12114 (5)

Vendor Advisories for CVE-2026-12114 (2)

IV. Related Vulnerabilities

Same vendor: wpmart
Same weakness: CWE-79

V. Comments for CVE-2026-12114

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