CVE-2021-24593— Business Hours Indicator < 2.3.5 - Authenticated Stored XSS
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I. Basic Information for CVE-2021-24593
Vulnerability Information
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Vulnerability Title
Business Hours Indicator < 2.3.5 - Authenticated Stored XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Business Hours Indicator WordPress plugin before 2.3.5 does not sanitise or escape its 'Now closed message" setting when outputting it in the backend and frontend, leading to an Authenticated Stored Cross-Site Scripting issue
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（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 Business Hours Indicator 2.3.5之前版本存在跨站脚本漏洞，该漏洞源于插件在后台和前端输出时没有验证或转义它的“Now closed message”设置，导致了认证的存储跨站点脚本问题
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 | Business Hours Indicator | 2.3.5 ~ 2.3.5 | - |
II. Public POCs for CVE-2021-24593
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Unknown · 2021-08-30 · 10 CVEs total
| CVE-2021-24437 | Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24438 | ShareThis Dashboard for Google Analytics < 2.5.2 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24528 | FluentSMTP < 2.0.1 - Authenticated Stored XSS | |
| CVE-2021-24579 | Bold Page Builder < 3.1.6 - PHP Object Injection | |
| CVE-2021-24580 | Side Menu Lite < 2.2.6 - Authenticated SQL Injection | |
| CVE-2021-24581 | Blue Admin <= 21.06.01 - CSRF to Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24592 | Sitewide Notice WP < 2.3 - Authenticated Stored XSS | |
| CVE-2021-24665 | WP Video Lightbox < 1.9.3 - Contributor+ Stored Cross-Site Scripting | |
| CVE-2021-24667 | Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting |
IV. Related Vulnerabilities
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-2021-47981
Quick.CMS 6.7 Cross-Site Scripting via CSRF to Sliders Form - CVE-2021-47975
WordPress Plugin WP Learn Manager 1.1.2 Stored XSS - CVE-2021-47957
WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar - CVE-2021-47955
CouchCMS 2.2.1 Cross-Site Scripting via SVG File Upload - CVE-2021-47934
MyBB Timeline Plugin 1.0 Cross-Site Scripting and CSRF
V. Comments for CVE-2021-24593
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