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CVE-2026-56039— WordPress Quick Interest Slider plugin <= 3.1.6 - Reflected Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
WordPress.com Quick Interest Slider
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.

Graham Quick Interest Slider是Graham个人开发者的一个快速计算利息的滑块工具。 Graham Quick Interest Slider 3.1.6及之前版本存在跨站脚本漏洞，该漏洞源于跨站脚本问题，可能导致未经身份验证的攻击者执行跨站脚本攻击。

CVSS 7.1 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
WordPress.com Quick Interest Slider n/a≤ 3.1.6 affected
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I. Basic Information for CVE-2026-56039

Vulnerability Information
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Vulnerability Title
WordPress Quick Interest Slider plugin <= 3.1.6 - Reflected Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Quick Interest Slider <= 3.1.6 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
Graham Quick Interest Slider 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Graham Quick Interest Slider是Graham个人开发者的一个快速计算利息的滑块工具。 Graham Quick Interest Slider 3.1.6及之前版本存在跨站脚本漏洞，该漏洞源于跨站脚本问题，可能导致未经身份验证的攻击者执行跨站脚本攻击。
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
WordPress.com Quick Interest Slider n/a ~ 3.1.6 -

II. Public POCs for CVE-2026-56039

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III. Intelligence Information for CVE-2026-56039

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IV. Related Vulnerabilities

Same product: Quick Interest Slider
Same vendor: WordPress.com
Same weakness: CWE-79

V. Comments for CVE-2026-56039

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