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CVE-2021-24647— Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login

Quick assessment

Affected
Unknown Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes
Exploitation
Public or AI PoC available; prioritize validation
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 plugin 存在授权问题漏洞，该漏洞源于 Pie Register 插件在社交登录实现中存在缺陷，允许未经身份验证的攻击者仅通过知道其用户 ID 或用户名就可以作为站点上的任何用户登录。

AI Predicted 9.1 Difficulty: Easy EPSS 9.83% · P95

Public Exploits 1

Nuclei · 1 CVE-2021-24647.yaml [template]

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2021-24647

Vulnerability Information
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Vulnerability Title
Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login
Source: CVE Program / CVE List V5
Vulnerability Description
The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.1.7.6 has a flaw in the social login implementation, allowing unauthenticated attacker to login as any user on the site by only knowing their user ID or username
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 插件授权问题漏洞
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 plugin 存在授权问题漏洞，该漏洞源于 Pie Register 插件在社交登录实现中存在缺陷，允许未经身份验证的攻击者仅通过知道其用户 ID 或用户名就可以作为站点上的任何用户登录。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes 3.1.7.6 ~ 3.1.7.6 -

II. Public POCs for CVE-2021-24647

# POC Description Source Link Shenlong Link
1 CVE-2021-24647 Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login https://github.com/RandomRobbieBF/CVE-2021-24647 POC Details
2 The Registration Forms User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.1.7.6 has a flaw in the social login implementation, allowing unauthenticated attacker to login as any user on the site by only knowing their user ID or username https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24647.yaml POC Details
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III. Intelligence Information for CVE-2021-24647

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Vendor Advisories for CVE-2021-24647 (1)

Same Patch Batch · Unknown · 2021-11-08 · 44 CVEs total

CVE-2021-24631 Unlimited PopUps <= 4.5.3 - Author+ SQL Injection
CVE-2021-24628 Wow Forms <= 3.1.3 - Admin+ SQL Injection
CVE-2021-24629 Post Content XMLRPC <= 1.0 - Admin+ SQL Injections
CVE-2021-24627 G Auto-Hyperlink <= 1.0.1 - Admin+ SQL Injection
CVE-2021-24616 AddToAny Share Buttons < 1.7.48 - Admin+ Stored Cross-Site Scripting
CVE-2021-24607 Storefront Footer Text <= 1.0.1 - Admin+ Stored Cross-Site Scripting
CVE-2021-24594 Translate WordPress - Google Language Translator < 6.0.12 - Admin+ Stored Cross-Site Scrip
CVE-2021-24575 WPSchoolPress < 2.1.10 - Multiple Authenticated SQL Injections
CVE-2021-24537 Similar Posts <= 3.1.5 - Admin+ Arbitrary PHP Code Execution
CVE-2021-24625 SpiderCatalog <= 1.7.3 - Admin+ SQL Injection
CVE-2021-24630 Schreikasten <= 0.14.18 - Author+ SQL Injections
CVE-2021-24645 Booking.com Product Helper < 1.0.2 - Admin+ Stored Cross-Site Scripting
CVE-2021-24646 Booking.com Banner Creator < 1.4.3 - Admin+ Stored Cross-Site Scripting
CVE-2021-24664 WPSchoolPress < 2.1.17 - Multiple Admin+ Stored Cross-Site Scripting
CVE-2021-24669 MAZ Loader < 1.3.3 - Contributor+ SQL Injection
CVE-2021-24674 Genie WP Favicon <= 0.5.2 - Arbitrary Favicon Change via CSRF
CVE-2021-24693 Simple Download Monitor < 3.9.5 - Contributor+ Stored Cross-Site Scripting via File Thumbn
CVE-2021-24695 Simple Download Monitor < 3.9.6 - Unauthenticated Log Access
CVE-2021-24697 Simple Download Monitor < 3.9.5 - Reflected Cross-Site Scripting
CVE-2021-24698 Simple Download Monitor < 3.9.6 - Arbitrary Thumbnails Removal

Showing top 20 of 44 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes
Same vendor: Unknown
Same weakness: CWE-287

V. Comments for CVE-2021-24647

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