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CVE-2021-24342— JNews < 8.0.6 - Reflected Cross-Site Scripting (XSS)

Quick assessment

Affected
Unknown JNews
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress 插件是WordPress开源的一个应用插件。 JNews WordPress theme 8.0.6之前版本存在跨站脚本漏洞，该漏洞源于程序没有清理POST请求中的 cat_id 参数，导致XSS问题。

AI Predicted 6.1 Difficulty: Easy EPSS 1.98% · P79

Public Exploits 1

Nuclei · 1 CVE-2021-24342.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24342

Vulnerability Information
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Vulnerability Title
JNews < 8.0.6 - Reflected Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The JNews WordPress theme before 8.0.6 did not sanitise the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*), leading to a Reflected Cross-Site Scripting (XSS) issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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 插件 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress 插件是WordPress开源的一个应用插件。 JNews WordPress theme 8.0.6之前版本存在跨站脚本漏洞，该漏洞源于程序没有清理POST请求中的 cat_id 参数，导致XSS问题。
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
Unknown JNews 8.0.6 ~ 8.0.6 -

II. Public POCs for CVE-2021-24342

# POC Description Source Link Shenlong Link
1 WordPress JNews theme before 8.0.6 contains a reflected cross-site scripting vulnerability. It does not sanitize the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*). https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24342.yaml POC Details
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III. Intelligence Information for CVE-2021-24342

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Vendor Advisories for CVE-2021-24342 (1)

Same Patch Batch · Unknown · 2021-06-07 · 5 CVEs total

CVE-2021-24337 Video Embed <= 1.0 - Authenticated (subscriber+) SQL Injection
CVE-2021-24343 iFlyChat – WordPress Chat < 4.7.0 - Admin+ Stored Cross-Site Scripting (XSS)
CVE-2021-24344 Easy Preloader <= 1.0.0 - Authenticated Stored Cross-Site Scripting (XSS)
CVE-2021-24336 FlightLog <= 3.0.2 - Authenticated (editor+) SQL Injection

IV. Related Vulnerabilities

Same product: JNews
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24342

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