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CVE-2026-11571— Everest Forms < 3.5.0 - Unauthenticated Sensitive Information Exposure via Residual CSV Artifacts

Quick assessment

Affected
Unknown Everest Forms
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 Everest Forms是WordPress基金会的一个人工智能辅助的联系表单、支付表单、测验、调查和自定义表单构建器。 WordPress Everest Forms 3.5.0之前版本存在信息泄露漏洞，该漏洞源于未可靠删除电子邮件通知处理期间生成的临时CSV文件，导致文件公开可访问，可能允许未经身份验证的攻击者通过可预测、可枚举的文件名检索其他用户的表单提交记录。

AI Predicted 7.5 Difficulty: Easy EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1155

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Everest Forms < 3.5.0 affected
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I. Basic Information for CVE-2026-11571

Vulnerability Information
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Vulnerability Title
Everest Forms < 3.5.0 - Unauthenticated Sensitive Information Exposure via Residual CSV Artifacts
Source: CVE Program / CVE List V5
Vulnerability Description
The Everest Forms WordPress plugin before 3.5.0 does not reliably delete temporary CSV files generated during email-notification processing and leaves them publicly accessible in the uploads directory, allowing unauthenticated attackers to retrieve other users' form submission records via predictable, enumerable filenames.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Everest Forms 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Everest Forms是WordPress基金会的一个人工智能辅助的联系表单、支付表单、测验、调查和自定义表单构建器。 WordPress Everest Forms 3.5.0之前版本存在信息泄露漏洞，该漏洞源于未可靠删除电子邮件通知处理期间生成的临时CSV文件，导致文件公开可访问，可能允许未经身份验证的攻击者通过可预测、可枚举的文件名检索其他用户的表单提交记录。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Everest Forms 0 ~ 3.5.0 -

II. Public POCs for CVE-2026-11571

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III. Intelligence Information for CVE-2026-11571

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Vendor Advisories for CVE-2026-11571 (1)

Same Patch Batch · Unknown · 2026-07-09 · 6 CVEs total

CVE-2026-12516 Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Media Proxy
CVE-2026-12517 Fediverse Embeds < 1.5.8 - Unauthenticated SSRF via Site Info Endpoint
CVE-2026-12270 Everest Forms < 3.5.0 - Unauthenticated Missing Authorization via Site Assistant REST Endp
CVE-2026-11875 WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Support Ticket Access
CVE-2026-11869 WP DSGVO Tools (GDPR) < 3.1.40 - Unauthenticated Sensitive Information Disclosure via Subj

IV. Related Vulnerabilities

Same product: Everest Forms
Same vendor: Unknown

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