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CVE-2021-24593— Business Hours Indicator < 2.3.5 - Authenticated Stored XSS

Quick assessment

Affected
Unknown Business Hours Indicator
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（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

AI Predicted 6.4 Difficulty: Easy EPSS 0.62% · P47
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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: CVE Program / CVE List V5
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: 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（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

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III. Intelligence Information for CVE-2021-24593

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Vendor Advisories for CVE-2021-24593 (1)

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
Same weakness: CWE-79

V. Comments for CVE-2021-24593

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