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CVE-2026-94166— WordPress UpSolution Core plugin <= 8.44 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
UpSolution UpSolution Core
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.

UpSolution Core (us-core) 存在跨站脚本（XSS）漏洞，具体为反射型 XSS。该漏洞属于“网页生成过程中输入处理不当”类型。受影响的版本范围为：UpSolution Core 从最初版本（n/a）至 8.44 版本。

CVSS 7.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
UpSolution UpSolution Core ≤ 8.44 affected
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I. Basic Information for CVE-2026-94166

Vulnerability Information
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Vulnerability Title
WordPress UpSolution Core plugin <= 8.44 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UpSolution UpSolution Core us-core allows Reflected XSS.This issue affects UpSolution Core: from n/a through 8.44.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
UpSolution UpSolution Core 0 ~ 8.44 -

II. Public POCs for CVE-2026-94166

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III. Intelligence Information for CVE-2026-94166

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News Coverage for CVE-2026-94166 (1)

IV. Related Vulnerabilities

Same product: UpSolution Core
Same vendor: UpSolution
Same weakness: CWE-79

V. Comments for CVE-2026-94166

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