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CVE-2026-7460— mailcow-dockerized 2026-03b - Stored XSS in Queue Manager via unescaped

Quick assessment

Affected
mailcow mailcow-dockerized
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.

mailcow dockerized是mailcow开源的一个应用程序。 mailcow dockerized 2026-03b版本存在跨站脚本漏洞，该漏洞源于管理员队列管理器存在存储型跨站脚本漏洞，可能导致服务器控制的Postfix队列字段被渲染为HTML且输出编码不足。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.32% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
mailcow mailcow-dockerized 2026-03b affected
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I. Basic Information for CVE-2026-7460

Vulnerability Information
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Vulnerability Title
mailcow-dockerized 2026-03b - Stored XSS in Queue Manager via unescaped
Source: CVE Program / CVE List V5
Vulnerability Description
mailcow-dockerized contains a stored cross-site scripting vulnerability in the administrator Queue Manager. The Queue Manager fetches mail queue entries from /api/v1/get/mailq/all, copies server-controlled Postfix queue fields into DataTables rows, and renders several of those fields as HTML without adequate output encoding. This issue affects mailcow-dockerized: 2026-03b.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
mailcow dockerized 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mailcow dockerized是mailcow开源的一个应用程序。 mailcow dockerized 2026-03b版本存在跨站脚本漏洞，该漏洞源于管理员队列管理器存在存储型跨站脚本漏洞，可能导致服务器控制的Postfix队列字段被渲染为HTML且输出编码不足。
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
mailcow mailcow-dockerized 2026-03b -

II. Public POCs for CVE-2026-7460

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III. Intelligence Information for CVE-2026-7460

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Vendor Advisories for CVE-2026-7460 (1)

Other References for CVE-2026-7460 (1)

IV. Related Vulnerabilities

Same product: mailcow-dockerized
Same vendor: mailcow
Same weakness: CWE-79

V. Comments for CVE-2026-7460

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