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CVE-2026-66584— WordPress 12 Step Meeting List plugin <= 3.19.16 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Code for Recovery 12 Step Meeting List
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 12 Step Meeting List是WordPress基金会开源的一款会议列表管理插件。 WordPress 12 Step Meeting List 3.19.16及之前版本存在跨站脚本漏洞，该漏洞源于未对输入进行充分清理，容易受到跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Code for Recovery 12 Step Meeting List n/a≤ 3.19.16 affected
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I. Basic Information for CVE-2026-66584

Vulnerability Information
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Vulnerability Title
WordPress 12 Step Meeting List plugin <= 3.19.16 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in 12 Step Meeting List <= 3.19.16 versions.
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
Vulnerability Title
WordPress 12 Step Meeting List 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress 12 Step Meeting List是WordPress基金会开源的一款会议列表管理插件。 WordPress 12 Step Meeting List 3.19.16及之前版本存在跨站脚本漏洞，该漏洞源于未对输入进行充分清理，容易受到跨站脚本攻击。
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
Code for Recovery 12 Step Meeting List n/a ~ 3.19.16 -

II. Public POCs for CVE-2026-66584

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III. Intelligence Information for CVE-2026-66584

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Vendor Advisories for CVE-2026-66584 (1)

IV. Related Vulnerabilities

Same product: 12 Step Meeting List
Same vendor: Code for Recovery
Same weakness: CWE-79

V. Comments for CVE-2026-66584

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