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CVE-2026-40873 mailcow: dockerized vulnerable to stored XSS in Quarantine attachment filenames

🗓️ 21 Apr 2026 19:15:39Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

mailcow dockerized stored XSS in quarantine attachment names before 2026-03b, enabling JS execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-40873
21 Apr 202621:26
circl
CNNVD
mailcow: dockerized 跨站脚本漏洞
21 Apr 202600:00
cnnvd
CVE
CVE-2026-40873
21 Apr 202619:15
cve
EUVD
EUVD-2026-24255
21 Apr 202619:15
euvd
NVD
CVE-2026-40873
21 Apr 202620:17
nvd
Positive Technologies
PT-2026-34054
21 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-40873
5 Jun 202619:13
redhatcve
Vulnrichment
CVE-2026-40873 mailcow: dockerized vulnerable to stored XSS in Quarantine attachment filenames
21 Apr 202619:15
vulnrichment
[
  {
    "vendor": "mailcow",
    "product": "mailcow-dockerized",
    "versions": [
      {
        "version": "< 2026-03b",
        "status": "affected"
      }
    ]
  }
]

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