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CVE-2026-120330— Broken Access Control in extension "Mail" (mail)

Quick assessment

Affected
TYPO3 Extension "Mail"
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.

邮件模块的后端操作和 Ajax 路由未验证后端用户是否有权访问所请求邮件或收件人组对应的页面。拥有邮件模块访问权限的后端用户能够查看、修改、发送和导出其网站挂载范围之外的邮件及收件人组，其中包括收件人的个人数据。

CVSS 7.1 · High

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-120330

Vulnerability Information
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Vulnerability Title
Broken Access Control in extension "Mail" (mail)
Source: CVE Program / CVE List V5
Vulnerability Description
Backend actions and ajax routes of the mail module do not check whether the backend user has access to the page of the requested mail or recipient group. Backend users with access to the mail module can view, change, send and export mails and recipient groups outside their web mounts, including the personal data of recipients.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TYPO3 Extension "Mail" 4.0.0 ~ 4.2.0 -

II. Public POCs for CVE-2026-120330

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III. Intelligence Information for CVE-2026-120330

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Other References for CVE-2026-120330 (1)

Same Patch Batch · TYPO3 · 2026-11-03 · 7 CVEs total

CVE-2026-120333 8.8 HIGH Broken Access Control in extension "Frontend User Registration" (sf_register)
CVE-2026-120328 6.9 MEDIUM Information Disclosure in extension "Mail" (mail)
CVE-2026-120327 5.3 MEDIUM Open Redirection in extension "Mail" (mail)
CVE-2026-120329 5.3 MEDIUM Broken Access Control in extension "Mail" (mail)
CVE-2026-120331 5.3 MEDIUM Server-Side Request Forgery in extension "Mail" (mail)
CVE-2026-120332 5.1 MEDIUM Cross-Site Scripting in extension "Mail" (mail)

IV. Related Vulnerabilities

Same product: Extension "Mail"
Same vendor: TYPO3
Same weakness: CWE-862