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CVE-2021-24437— Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)

Quick assessment

Affected
Unknown Favicon by RealFaviconGenerator
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 插件是WordPress开源的一个应用插件。 WordPress 的RealFaviconGenerator插件1.3.20及之前版本存在跨站脚本漏洞，该漏洞源于Favicon在将其参数输出回响应之前不会对其进行清理或转义，从而导致在登录管理员的上下文中执行反射式跨站脚本（XSS）

AI Predicted 5.4 Difficulty: Easy EPSS 0.83% · P54

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24437

Vulnerability Information
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Vulnerability Title
Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.
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 的RealFaviconGenerator插件1.3.20及之前版本存在跨站脚本漏洞，该漏洞源于Favicon在将其参数输出回响应之前不会对其进行清理或转义，从而导致在登录管理员的上下文中执行反射式跨站脚本（XSS）
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 Favicon by RealFaviconGenerator 1.3.20 ~ 1.3.20 -

II. Public POCs for CVE-2021-24437

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III. Intelligence Information for CVE-2021-24437

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Vendor Advisories for CVE-2021-24437 (1)

Same Patch Batch · Unknown · 2021-08-30 · 10 CVEs total

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-2021-24593 Business Hours Indicator < 2.3.5 - 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 product: Favicon by RealFaviconGenerator
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24437

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