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CVE-2026-12270— Everest Forms < 3.5.0 - Unauthenticated Missing Authorization via Site Assistant REST Endpoints

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之前版本存在授权问题漏洞，该漏洞源于访问控制不当，其能力检查仅当攻击者可控制的请求标头包含特定值时才会应用，因此可以通过省略或更改该标头进行绕过，导致未经身份验证的攻击者可以读取入门状态信息、修改相关选项，并触发站点向任意地址发送电子邮件。

AI Predicted 8.2 Difficulty: Easy EPSS 0.30% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Everest Forms 3.4.2< 3.5.0 affected
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I. Basic Information for CVE-2026-12270

Vulnerability Information
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Vulnerability Title
Everest Forms < 3.5.0 - Unauthenticated Missing Authorization via Site Assistant REST Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
The Everest Forms WordPress plugin before 3.5.0 does not correctly restrict access to several REST API endpoints belonging to its onboarding assistant: the capability check is only applied when an attacker-controllable request header holds a specific value, so it can be bypassed by omitting or changing that header. This makes it possible for unauthenticated attackers to read onboarding status information, modify the related Everest Forms WordPress plugin before 3.5.0 options, and trigger an email from the site to an arbitrary address.
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 授权问题漏洞
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之前版本存在授权问题漏洞，该漏洞源于访问控制不当，其能力检查仅当攻击者可控制的请求标头包含特定值时才会应用，因此可以通过省略或更改该标头进行绕过，导致未经身份验证的攻击者可以读取入门状态信息、修改相关选项，并触发站点向任意地址发送电子邮件。
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 3.4.2 ~ 3.5.0 -

II. Public POCs for CVE-2026-12270

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III. Intelligence Information for CVE-2026-12270

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Vendor Advisories for CVE-2026-12270 (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-2026-11571 Everest Forms < 3.5.0 - Unauthenticated Sensitive Information Exposure via Residual CSV Ar
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

V. Comments for CVE-2026-12270

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