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CVE-2021-24357— FooGallery < 2.0.35 - Authenticated Stored Cross-Site Scripting

Quick assessment

Affected
FooPlugins Best Image Gallery & Responsive Photo Gallery – FooGallery
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 Best Image Gallery & Responsive Photo Gallery 存在跨站脚本漏洞，该漏洞源于自定义CSS字段没有被正确地清理。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24357

Vulnerability Information
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Vulnerability Title
FooGallery < 2.0.35 - Authenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
In the Best Image Gallery & Responsive Photo Gallery – FooGallery WordPress plugin before 2.0.35, the Custom CSS field of each gallery is not properly sanitised or validated before being being output in the page where the gallery is embed, leading to a 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 plugin Best Image Gallery & Responsive Photo Gallery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 Best Image Gallery & Responsive Photo Gallery 存在跨站脚本漏洞，该漏洞源于自定义CSS字段没有被正确地清理。
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
FooPlugins Best Image Gallery & Responsive Photo Gallery – FooGallery 2.0.35 ~ 2.0.35 -

II. Public POCs for CVE-2021-24357

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III. Intelligence Information for CVE-2021-24357

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Vendor Advisories for CVE-2021-24357 (1)

IV. Related Vulnerabilities

Same vendor: FooPlugins
Same weakness: CWE-79

V. Comments for CVE-2021-24357

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