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CVE-2021-24226— AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage

Quick assessment

Affected
Unknown AccessAlly
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（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。 AccessAlly WordPress插件 3.5.7版本之前存在信息泄露漏洞，该漏洞源于插件中负责[accessally_order_form]短代码的文件“ resource / frontend / product / product-shortcode.php”正在转储包含所有环境变量的serialize（$ _ SERVER）。在包含

AI Predicted 5.3 Difficulty: Trivial EPSS 5.40% · P92

Public Exploits 1

Nuclei · 1 CVE-2021-24226.yaml [template]

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-24226

Vulnerability Information
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Vulnerability Title
AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage
Source: CVE Program / CVE List V5
Vulnerability Description
In the AccessAlly WordPress plugin before 3.5.7, the file "resource/frontend/product/product-shortcode.php" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 插件信息泄露漏洞
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。 AccessAlly WordPress插件 3.5.7版本之前存在信息泄露漏洞，该漏洞源于插件中负责[accessally_order_form]短代码的文件“ resource / frontend / product / product-shortcode.php”正在转储包含所有环境变量的serialize（$ _ SERVER）。在包含
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 AccessAlly 3.5.6 ~ 3.5.6* -

II. Public POCs for CVE-2021-24226

# POC Description Source Link Shenlong Link
1 WordPress AccessAlly plugin before 3.5.7 allows sensitive information leakage because the file \"resource/frontend/product/product-shortcode.php\" (which is responsible for the [accessally_order_form] shortcode) dumps serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, and no login or administrator role is required. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24226.yaml POC Details
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III. Intelligence Information for CVE-2021-24226

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Vendor Advisories for CVE-2021-24226 (1)

Same Patch Batch · Unknown · 2021-04-12 · 14 CVEs total

CVE-2021-24231 Patreon WordPress < 1.7.0 - CSRF to Disconnect Sites From Patreon
CVE-2021-24230 Patreon WordPress < 1.7.0 - CSRF to Overwrite/Create User Meta
CVE-2021-24229 Patreon WordPress < 1.7.2 - Reflected XSS on patreon_save_attachment_patreon_level AJAX ac
CVE-2021-24228 Patreon WordPress < 1.7.2 - Reflected XSS on Login Form
CVE-2021-24227 Patreon WordPress < 1.7.0 - Unauthenticated Local File Disclosure
CVE-2021-24225 Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)
CVE-2021-24224 Easy Form Builder <= 1.0 - Authenticated Arbitrary File Upload
CVE-2021-24223 N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE
CVE-2021-24222 WP-Curricul Vitea Free <= 6.3 - Unauthenticated Arbitrary File Upload to RCE
CVE-2021-24221 Quiz And Survey Master < 7.1.12 - Authenticated SQL injection via shortcode
CVE-2021-24218 Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
CVE-2021-24217 Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain
CVE-2021-24215 Controlled Admin Access < 1.5.2 - Improper Access Control & Privilege Escalation

IV. Related Vulnerabilities

Same product: AccessAlly
Same vendor: Unknown
Same weakness: CWE-200

V. Comments for CVE-2021-24226

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