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CVE-2023-6561— Featured Image from URL (FIFU) <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via featured image alt text

Quick assessment

Affected
marceljm Featured Image from URL (FIFU)
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress Plugin Featured Image from URL (FIFU) 4.5.3 版本及之前版本存在安全漏洞，该漏洞源于输入清理和输出转义不足，导致 featured image 功能存在存储型跨站脚本漏洞。

CVSS 6.4 · Medium EPSS 0.45% · P36

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell
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I. Basic Information for CVE-2023-6561

Vulnerability Information
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Vulnerability Title
Featured Image from URL (FIFU) <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via featured image alt text
Source: CVE Program / CVE List V5
Vulnerability Description
The Featured Image from URL (FIFU) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the featured image alt text in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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 Featured Image from URL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress Plugin Featured Image from URL (FIFU) 4.5.3 版本及之前版本存在安全漏洞，该漏洞源于输入清理和输出转义不足，导致 featured image 功能存在存储型跨站脚本漏洞。
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
marceljm Featured Image from URL (FIFU) * ~ 4.5.3 -

II. Public POCs for CVE-2023-6561

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III. Intelligence Information for CVE-2023-6561

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Patches & Fixes for CVE-2023-6561 (3)

Vendor Advisories for CVE-2023-6561 (1)

IV. Related Vulnerabilities

Same product: Featured Image from URL (FIFU)
Same vendor: marceljm
Same weakness: CWE-79

V. Comments for CVE-2023-6561

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