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I. Basic Information for CVE-2026-30878
Vulnerability Information

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Vulnerability Title
baserCMS: Mail Form Acceptance Bypass via Public API
Source: NVD (National Vulnerability Database)
Vulnerability Description
baserCMS is a website development framework. Prior to version 5.2.3, a public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. This issue has been patched in version 5.2.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
baserCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
baserCMS是baserCMS团队的一套企业级内容管理系统(CMS)。 baserCMS 5.2.3之前版本存在安全漏洞,该漏洞源于公共邮件提交API存在缺陷,可能导致绕过管理控制并滥用表单。
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
VendorProductAffected VersionsCPESubscribe
baserprojectbasercms < 5.2.3 -
II. Public POCs for CVE-2026-30878
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III. Intelligence Information for CVE-2026-30878
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IV. Related Vulnerabilities
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