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CVE-2026-28170— WordPress Blog Floating Button plugin <= 1.4.20 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
1meril Blog Floating Button
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 Blog Floating Button是WordPress基金会开源的一款为博客添加悬浮按钮的组件。 WordPress Blog Floating Button 1.4.20及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的输入，可能导致跨站脚本攻击。

CVSS 7.1 · High EPSS 0.18% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
1meril Blog Floating Button n/a≤ 1.4.20 affected
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I. Basic Information for CVE-2026-28170

Vulnerability Information
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Vulnerability Title
WordPress Blog Floating Button plugin <= 1.4.20 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Blog Floating Button <= 1.4.20 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 Blog Floating Button 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Blog Floating Button是WordPress基金会开源的一款为博客添加悬浮按钮的组件。 WordPress Blog Floating Button 1.4.20及之前版本存在跨站脚本漏洞，该漏洞源于未经验证的输入，可能导致跨站脚本攻击。
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
1meril Blog Floating Button n/a ~ 1.4.20 -

II. Public POCs for CVE-2026-28170

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III. Intelligence Information for CVE-2026-28170

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Other References for CVE-2026-28170 (1)

IV. Related Vulnerabilities

Same product: Blog Floating Button
Same weakness: CWE-79

V. Comments for CVE-2026-28170

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