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CVE-2026-39711— WordPress RT-Theme 18 | Extensions plugin <= 2.5 - Sensitive Data Exposure vulnerability

Quick assessment

Affected
stmcan RT-Theme 18 | Extensions
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 RT-Theme 18 Extensions 2.5及之前版本存在安全漏洞，该漏洞源于向发送的数据中插入敏感信息，可能导致检索嵌入的敏感数据。

CVSS 5.3 · Medium EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
stmcan RT-Theme 18 | Extensions ≤ 2.5 affected
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I. Basic Information for CVE-2026-39711

Vulnerability Information
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Vulnerability Title
WordPress RT-Theme 18 | Extensions plugin <= 2.5 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Insertion of Sensitive Information Into Sent Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Retrieve Embedded Sensitive Data.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin RT-Theme 18 Extensions 安全漏洞
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 RT-Theme 18 Extensions 2.5及之前版本存在安全漏洞，该漏洞源于向发送的数据中插入敏感信息，可能导致检索嵌入的敏感数据。
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
stmcan RT-Theme 18 | Extensions 0 ~ 2.5 -

II. Public POCs for CVE-2026-39711

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III. Intelligence Information for CVE-2026-39711

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IV. Related Vulnerabilities

Same product: RT-Theme 18 | Extensions
Same vendor: stmcan
Same weakness: CWE-201