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CVE-2026-12295

🗓️ 16 Jun 2026 11:52:28Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 171 Views🌐 WEB

Sandbox escape in the DOM Navigation component fixed in Firefox 152 and ESR 140.12, 115.37.

Related
Detection
Affected
Refs
Paths
NVD
Node
OR
mozillafirefoxRange<115.37.0esr
mozillafirefoxRange<152.0.0-
mozillafirefoxRange128.0–140.12.0esr
mozillathunderbirdRange<140.12.0esr
mozillathunderbirdRange<152.0.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "115.37",
        "lessThanOrEqual": "115.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "140.12",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.12",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
dquery param/exfilExfiltration endpoint used by the PoC to send data (e.g., flag) via the d query parameter.CWE-653, CWE-693

Data

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15 Jul 2026 12:17Current
8High risk
Vulners AI Score8
CVSS 3.19.6
EPSS0.00393
SSVC
171