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CVE-2021-24667— Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting

Quick assessment

Affected
Unknown Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery
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 插件是WordPress开源的一个应用插件。 WordPress插件 Simply Gallery Blocks with Lightbox 2.2.0及之前版本存在跨站脚本漏洞，该漏洞源于插件的Lightbox功能中对于元数据图像参数缺乏有效的验证和转义，导致了存储型跨站脚本漏洞。在该功能中，低权限用户被允许在应用程序上下文中执行任意脚本代码。

AI Predicted 5.4 Difficulty: Easy EPSS 0.62% · P47

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24667

Vulnerability Information
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Vulnerability Title
Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A stored cross-site scripting vulnerability has been discovered in : Simply Gallery Blocks with Lightbox (Version – 2.2.0 & below). The vulnerability exists in the Lightbox functionality where a user with low privileges is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of image parameters in meta data.
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 插件是WordPress开源的一个应用插件。 WordPress插件 Simply Gallery Blocks with Lightbox 2.2.0及之前版本存在跨站脚本漏洞，该漏洞源于插件的Lightbox功能中对于元数据图像参数缺乏有效的验证和转义，导致了存储型跨站脚本漏洞。在该功能中，低权限用户被允许在应用程序上下文中执行任意脚本代码。
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 Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery 2.2.1 ~ 2.2.1 -

II. Public POCs for CVE-2021-24667

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III. Intelligence Information for CVE-2021-24667

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Vendor Advisories for CVE-2021-24667 (2)

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-2021-24593 Business Hours Indicator < 2.3.5 - Authenticated Stored XSS
CVE-2021-24665 WP Video Lightbox < 1.9.3 - Contributor+ Stored Cross-Site Scripting

IV. Related Vulnerabilities

Same product: Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24667

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