CVE-2026-28003— WordPress Maspik – Spam blacklist plugin <= 2.9.1 - Cross Site Scripting (XSS) vulnerability
Quick assessment
Affected
yonifre Maspik – Spam blacklist
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 Maspik是WordPress基金会开源的一款反垃圾邮件安全防护软件。 WordPress Maspik 2.9.1及之前版本存在跨站脚本漏洞，该漏洞源于对用户输入验证不当，可能导致未经身份验证的攻击者实施跨站脚本攻击。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScriptAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| yonifre | Maspik – Spam blacklist | n/a≤ 2.9.1 |
affected |
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I. Basic Information for CVE-2026-28003
Vulnerability Information
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Vulnerability Title
WordPress Maspik – Spam blacklist plugin <= 2.9.1 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Maspik – Spam blacklist <= 2.9.1 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 Maspik 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Maspik是WordPress基金会开源的一款反垃圾邮件安全防护软件。 WordPress Maspik 2.9.1及之前版本存在跨站脚本漏洞，该漏洞源于对用户输入验证不当，可能导致未经身份验证的攻击者实施跨站脚本攻击。
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 |
|---|---|---|---|---|
| yonifre | Maspik – Spam blacklist | n/a ~ 2.9.1 | - |
|
II. Public POCs for CVE-2026-28003
| # | POC Description | Source Link | Shenlong Link |
|---|
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