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CVE-2026-54521 FairEmail: Cross-site scripting (XSS) in AMP message rendering (ActivityAMP)

🗓️ 17 Sep 2026 20:17:47Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

XSS in FairEmail prior to 1.2319; recipient enabling AMP toggle allows arbitrary JS execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-54521
17 Sep 202620:17
cve
euvd
EUVD
EUVD-2026-82424
17 Sep 202620:17
euvd
nvd
NVD
CVE-2026-54521
17 Sep 202621:17
nvd
[
  {
    "vendor": "M66B",
    "product": "FairEmail",
    "versions": [
      {
        "version": "< 1.2319",
        "status": "affected"
      }
    ]
  }
]

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17 Sep 2026 20:17Current
CVSS 3.16.1
10