CVE-2021-24807— Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting
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I. Basic Information for CVE-2021-24807
Vulnerability Information
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Vulnerability Title
Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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。 Wordpress Plugin Support Board 中存在跨站脚本漏洞，该漏洞源于产品未对notes字段的数据做有效验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Wordpress Plugin Support Board 3.3.5 之前版本。
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 | Support Board | 3.3.5 ~ 3.3.5 | - |
II. Public POCs for CVE-2021-24807
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Support Board 3.3.4 Authenticated Stored XSS | https://github.com/itsjeffersonli/CVE-2021-24807 | POC Details |
| 2 | Support Board 3.3.4 Authenticated Stored XSS | https://github.com/dldygnl/CVE-2021-24807 | POC Details |
AI-Generated POCPremium
No public POC found.
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- https://github.com/itsjeffersonli/CVE-2021-24807x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-24807
Same Patch Batch · Unknown · 2021-11-08 · 44 CVEs total
| CVE-2021-24631 | Unlimited PopUps <= 4.5.3 - Author+ SQL Injection | |
| CVE-2021-24628 | Wow Forms <= 3.1.3 - Admin+ SQL Injection | |
| CVE-2021-24629 | Post Content XMLRPC <= 1.0 - Admin+ SQL Injections | |
| CVE-2021-24627 | G Auto-Hyperlink <= 1.0.1 - Admin+ SQL Injection | |
| CVE-2021-24616 | AddToAny Share Buttons < 1.7.48 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24607 | Storefront Footer Text <= 1.0.1 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24594 | Translate WordPress - Google Language Translator < 6.0.12 - Admin+ Stored Cross-Site Scrip | |
| CVE-2021-24575 | WPSchoolPress < 2.1.10 - Multiple Authenticated SQL Injections | |
| CVE-2021-24537 | Similar Posts <= 3.1.5 - Admin+ Arbitrary PHP Code Execution | |
| CVE-2021-24625 | SpiderCatalog <= 1.7.3 - Admin+ SQL Injection | |
| CVE-2021-24630 | Schreikasten <= 0.14.18 - Author+ SQL Injections | |
| CVE-2021-24645 | Booking.com Product Helper < 1.0.2 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24646 | Booking.com Banner Creator < 1.4.3 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24647 | Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login | |
| CVE-2021-24664 | WPSchoolPress < 2.1.17 - Multiple Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24669 | MAZ Loader < 1.3.3 - Contributor+ SQL Injection | |
| CVE-2021-24674 | Genie WP Favicon <= 0.5.2 - Arbitrary Favicon Change via CSRF | |
| CVE-2021-24693 | Simple Download Monitor < 3.9.5 - Contributor+ Stored Cross-Site Scripting via File Thumbn | |
| CVE-2021-24695 | Simple Download Monitor < 3.9.6 - Unauthenticated Log Access | |
| CVE-2021-24697 | Simple Download Monitor < 3.9.5 - Reflected Cross-Site Scripting |
Showing top 20 of 44 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Support Board
- CVE-2026-4815
SQL Injection vulnerability in Support Board - CVE-2026-4816
Reflected Cross Site Scripting (XSS) vulnerability in Suppor - CVE-2025-60182
WordPress Support Board plugin < 3.8.7 - Cross Site Scriptin - CVE-2025-54027
WordPress Support Board <= 3.8.0 - Cross Site Scripting (XSS - CVE-2025-54031
WordPress Support Board <= 3.8.0 - Local File Inclusion Vuln
Same vendor: Unknown
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-24807
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