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CVE-2026-57799— WordPress Nuss theme <= 1.3.6 - Local File Inclusion vulnerability

Quick assessment

Affected
uxper Nuss
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.

uxper Nuss是uxper个人开发者开源的一款Web服务器和中间件产品。 uxper Nuss 1.3.6及之前版本存在代码注入漏洞，该漏洞源于对文件名包含/引用语句的控制不当，可能导致PHP本地文件包含漏洞。

CVSS 7.5 · High EPSS 0.51% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
uxper Nuss ≤ 1.3.6 affected
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I. Basic Information for CVE-2026-57799

Vulnerability Information
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Vulnerability Title
WordPress Nuss theme <= 1.3.6 - Local File Inclusion vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in uxper Nuss nuss allows PHP Local File Inclusion.This issue affects Nuss: from n/a through <= 1.3.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
PHP程序中Include/Require语句包含文件控制不恰当(PHP远程文件包含)
Source: CVE Program / CVE List V5
Vulnerability Title
uxper Nuss 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
uxper Nuss是uxper个人开发者开源的一款Web服务器和中间件产品。 uxper Nuss 1.3.6及之前版本存在代码注入漏洞，该漏洞源于对文件名包含/引用语句的控制不当，可能导致PHP本地文件包含漏洞。
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
uxper Nuss 0 ~ 1.3.6 -

II. Public POCs for CVE-2026-57799

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III. Intelligence Information for CVE-2026-57799

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Other References for CVE-2026-57799 (1)

IV. Related Vulnerabilities

Same product: Nuss
Same vendor: uxper
Same weakness: CWE-98