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CVE-2021-24491— Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF

Quick assessment

Affected
Unknown Fileviewer
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 Fileviewer存在安全漏洞，该漏洞源于WEB应用未充分验证请求是否来自可信用户。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。

AI Predicted 7.5 Difficulty: Easy EPSS 0.71% · P51
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I. Basic Information for CVE-2021-24491

Vulnerability Information
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Vulnerability Title
Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF
Source: CVE Program / CVE List V5
Vulnerability Description
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 插件跨站请求伪造漏洞
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 Fileviewer存在安全漏洞，该漏洞源于WEB应用未充分验证请求是否来自可信用户。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。
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 Fileviewer 2.2 ~ 2.2 -

II. Public POCs for CVE-2021-24491

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III. Intelligence Information for CVE-2021-24491

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Vendor Advisories for CVE-2021-24491 (1)

Same Patch Batch · Unknown · 2021-09-13 · 20 CVEs total

CVE-2021-24614 Book appointment Online < 1.39 - Authenticated Stored Cross-Site Scripting (XSS)
CVE-2021-24431 Language Bar Flags <= 1.0.8 - CSRF to Stored XSS
CVE-2021-24490 Email Artillery <= 4.1 - Arbitrary File Upload
CVE-2021-24493 Shopp eCommerce <= 1.4 - Unauthenticated Arbitrary File Upload
CVE-2021-24508 Smash Balloon Social Post Feed < 2.19.2 - Unauthenticated Stored XSS
CVE-2021-24510 MF Gig Calendar < 1.2 - Reflected Cross-Site Scripting (XSS)
CVE-2021-24523 Daily Prayer Time < 2021.08.10 - Authenticated Stored XSS
CVE-2021-24560 Software License Manager < 4.4.8 - Reflected Cross-Site Scripting
CVE-2021-24586 Per Page Add to Head < 1.4.4 - CSRF to Stored XSS
CVE-2021-24605 Custom Post View Generator <= 0.4.6 - Reflected Cross-Site Scripting
CVE-2021-24728 Paid Member Subscriptions < 2.4.2 - Authenticated SQL Injection
CVE-2021-24619 Per Page Add to Head <= 1.4.4 - Authenticated Stored XSS
CVE-2021-24620 Simple eCommerce <= 2.2.5 - Arbitrary File Upload
CVE-2021-24621 WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
CVE-2021-24623 WordPress Advanced Ticket System < 1.0.64 - Authenticated Stored Cross-Site Scripting (XSS
CVE-2021-24724 Timetable and Event Schedule by MotoPress < 2.3.19 - Author+ Stored Cross-Site Scripting
CVE-2021-24725 Comment Link Remove and Other Comment Tools < 2.1.6 - Arbitrary Comment Deletion via CSRF
CVE-2021-24726 WP Simple Booking Calendar <= 2.0.6 (before 07/12/2021) - Authenticated SQL Injection
CVE-2021-24727 Block and Stop Bad Bots < 6.60 - Authenticated SQL Injections

IV. Related Vulnerabilities

Same vendor: Unknown
Same weakness: CWE-352

V. Comments for CVE-2021-24491

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