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CVE-2021-4340— uListing <= 1.6.6 - Unauthenticated SQL Injection

Quick assessment

Affected
stylemix Directory Listings WordPress plugin – uListing
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin uListing 存在安全漏洞，该漏洞源于在使用用户提供的数据拼接 SQL 语句前未经过充分的转义，导致通过 listing_id 参数容易受到通用 SQL 注入的攻击。

CVSS 9.8 · Critical EPSS 1.18% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-4340

Vulnerability Information
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Vulnerability Title
uListing <= 1.6.6 - Unauthenticated SQL Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The uListing plugin for WordPress is vulnerable to generic SQL Injection via the ‘listing_id’ parameter in versions up to, and including, 1.6.6 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Plugin uListing SQL注入漏洞
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress Plugin uListing 存在安全漏洞，该漏洞源于在使用用户提供的数据拼接 SQL 语句前未经过充分的转义，导致通过 listing_id 参数容易受到通用 SQL 注入的攻击。
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
stylemix Directory Listings WordPress plugin – uListing * ~ 1.7 -

II. Public POCs for CVE-2021-4340

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III. Intelligence Information for CVE-2021-4340

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Vendor Advisories for CVE-2021-4340 (1)

Security Blog Posts for CVE-2021-4340 (1)

Same Patch Batch · stylemix · 2023-06-07 · 9 CVEs total

CVE-2021-4381 9.8 CRITICAL uListing <= 1.6.6 - Unauthenticated Options Changes via wp_route
CVE-2021-4370 9.8 CRITICAL uListing <= 1.6.6 - Missing Authorization
CVE-2021-4346 9.8 CRITICAL uListing <= 1.6.6 - Unauthenticated Arbitrary Account Changes
CVE-2021-4343 9.8 CRITICAL uListing <= 1.6.6 - Unauthenticated Arbitrary Account Creation
CVE-2021-4341 9.8 CRITICAL uListing <= 1.6.6 - Unauthenticated Wordpress Options Changes via AJAX
CVE-2021-4357 9.1 CRITICAL uListing <= 1.6.6 - Unauthenticated Arbitrary Post/Page Deletion
CVE-2021-4339 7.5 HIGH uListing <= 1.6.6 - Unauthenticated Information Disclosure
CVE-2021-4345 6.5 MEDIUM uListing <= 1.6.6 - Unauthenticated Arbitrary Roles and Capabilities Creation/Deletion

IV. Related Vulnerabilities

Same product: Directory Listings WordPress plugin – uListing
Same vendor: stylemix
Same weakness: CWE-89

V. Comments for CVE-2021-4340

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