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CVE-2025-54143

🗓️ 19 Aug 2025 20:52:47Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 13 Views

Sandboxed iframes may bypass parent sandbox, enabling downloads to device on Firefox iOS before 141.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2025-54143
19 Aug 202521:15
alpinelinux
Circl
CVE-2025-54143
13 Apr 202617:57
circl
CNNVD
Mozilla Firefox for iOS 安全漏洞
19 Aug 202500:00
cnnvd
CNVD
Mozilla Firefox for iOS Security Bypass Vulnerability (CNVD-2025-19562)
26 Aug 202500:00
cnvd
Cvelist
CVE-2025-54143 Sandboxed iframes could allow local downloads despite sandbox restrictions
19 Aug 202520:52
cvelist
EUVD
EUVD-2025-25230
3 Oct 202520:07
euvd
Mozilla
Security Vulnerabilities fixed in Firefox for iOS 141 — Mozilla
22 Jul 202500:00
mozilla
NCSC
Vulnerabilities fixed in Firefox and Thunderbird
23 Jul 202513:01
ncsc
NVD
CVE-2025-54143
19 Aug 202521:15
nvd
OSV
UBUNTU-CVE-2025-54143
23 Jul 202500:00
osv
Rows per page
NVD
Node
mozillafirefoxRange<141.0iphone_os
[
  {
    "product": "Firefox for iOS",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "141",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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13 Apr 2026 15:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
EPSS0.00124
SSVC
13