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CVE-2026-75872

🗓️ 18 Aug 2026 14:06:37Reported by Secur0Type 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

MailerUp before 1.1.3 allows unauthenticated HTML injection via unescaped first_name in double opt-in emails.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-75872 HTML Injection in MailerUp double opt-in verification email
18 Aug 202614:06
cvelist
euvd
EUVD
EUVD-2026-60820
18 Aug 202614:06
euvd
nvd
NVD
CVE-2026-75872
18 Aug 202615:17
nvd
ptsecurity
Positive Technologies
PT-2026-77135
18 Aug 202600:00
ptsecurity
CNA
Node
maalfermailerupRange01.1.3
[
  {
    "vendor": "maalfer",
    "product": "MailerUp",
    "repo": "https://github.com/maalfer/mailerup",
    "modules": [
      "Public subscription form"
    ],
    "programFiles": [
      "backend/apps/forms/views.py"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.1.3",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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18 Aug 2026 16:18Current
5.7Medium risk
Vulners AI Score5.7
CVSS 46.9
6