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CVE-2026-8626— SponsorMe <= 0.5.2 - Reflected Cross-Site Scripting via PHP_SELF Parameter

CVSS 6.1 · Medium EPSS 0.08% · P24

Affected Version Matrix 1

VendorProductVersion RangeStatus
owencutajarSponsorMe≤ 0.5.2affected
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I. Basic Information for CVE-2026-8626

Vulnerability Information
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Vulnerability Title
SponsorMe <= 0.5.2 - Reflected Cross-Site Scripting via PHP_SELF Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
The SponsorMe plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via PHP_SELF Parameter in all versions up to, and including, 0.5.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The PHP_SELF value is reflected in two separate locations within the vulnerable function — a form action attribute and an anchor href attribute — both of which can be exploited by appending a crafted payload to the wp-admin/admin.php URL path.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin SponsorMe 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin SponsorMe 0.5.2及之前版本存在跨站脚本漏洞，该漏洞源于对PHP_SELF参数输入清理和输出转义不足，可能导致反射型跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
owencutajarSponsorMe 0 ~ 0.5.2 -

II. Public POCs for CVE-2026-8626

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III. Intelligence Information for CVE-2026-8626

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IV. Related Vulnerabilities

Same vendor: owencutajar
Same weakness: CWE-79

V. Comments for CVE-2026-8626

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