CVE-2021-24533— Maintenance < 4.03 - Authenticated Stored XSS
Quick assessment
Affected
Unknown Maintenance
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 plugin是WordPress开源的一个应用插件。 Wordpress Plugin Maintenance 存在跨站脚本漏洞，该漏洞源于在 4.03 版本之前的 Maintenance 插件不会清理或转义其某些设置，允许管理员等高权限用户在其中设置跨站点脚本负载（即使 unfiltered_html 功能被禁止），这将在前端触发。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24533
Vulnerability Information
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Vulnerability Title
Maintenance < 4.03 - Authenticated Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend
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 Plugin Maintenance 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 plugin是WordPress开源的一个应用插件。 Wordpress Plugin Maintenance 存在跨站脚本漏洞，该漏洞源于在 4.03 版本之前的 Maintenance 插件不会清理或转义其某些设置，允许管理员等高权限用户在其中设置跨站点脚本负载（即使 unfiltered_html 功能被禁止），这将在前端触发。
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 | Maintenance | 4.03 ~ 4.03 | - |
|
II. Public POCs for CVE-2021-24533
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-24533 (1)
Same Patch Batch · Unknown · 2021-08-23 · 25 CVEs total
| CVE-2021-24553 | Timeline Calendar <= 1.2 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24486 | Simple Social Media Share Buttons < 3.2.3 - Contributor+ Stored XSS | |
| CVE-2021-24497 | Giveaway <= 1.2.2 - Authenticated SQL Injection | |
| CVE-2021-24506 | Slider Hero < 8.2.7 - Contributor+ SQL Injection | |
| CVE-2021-24524 | GiveWP < 2.12.0 - Authenticated Stored XSS | |
| CVE-2021-24531 | Charitable – Donation Plugin < 1.6.51 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24529 | Grid Gallery < 1.2.5 - Authenticated Stored Cross Site Scripting (XSS) | |
| CVE-2021-24547 | KN Fix Your Title <= 1.0.1 - Authenticated Stored XSS | |
| CVE-2021-24549 | AceIDE <= 2.6.2 - Authenticated (admin+) Arbitrary File Access | |
| CVE-2021-24550 | Broken Link Manager <= 0.6.5 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24551 | Edit Comments <= 0.3 - Unauthenticated SQL Injection | |
| CVE-2021-24552 | Simple Events Calendar <= 1.4.0 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24602 | HM Multiple Roles < 1.3 - Arbitrary Role Change | |
| CVE-2021-24555 | Diary & Availability Calendar <= 1.0.3 - Authenticated (subscriber+) SQL Injection | |
| CVE-2021-24554 | Paytm - Donation Plugin <= 1.3.2 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24556 | Email Subscriber <= 1.1 - Unauthenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24557 | M-vSlider <= 2.1.3 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24558 | Project Status <= 1.6 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24561 | WP SMS < 5.4.13 - Authenticated Stored Cross-Site Scripting | |
| CVE-2021-24562 | LifterLMS < 4.21.2 - Access Other Student Grades/Answers via IDOR |
Showing top 20 of 25 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Unknown
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WooCommerce Bookings < 3.9.0 - Subscriber+ Draft Bookable Pr -
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RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation
Same weakness: CWE-79
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WordPress Urna theme <= 2.6.2 - Cross Site Scripting (XSS) v -
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WordPress Tourmaster plugin <= 5.4.9 - Cross Site Scripting -
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WordPress Events Made Easy plugin <= 3.2.5 - Cross Site Scri -
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WordPress Magazine Blocks plugin <= 1.8.6 - Cross Site Scrip
V. Comments for CVE-2021-24533
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