FKIE_CVE-2025-48980

Vulnerability from fkie_nvd - Published: 2025-10-31 00:15 - Updated: 2026-10-07 21:10
Severity
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
In Brave Browser Desktop versions prior to 1.83.10 that have the split view feature enabled, the "Open Link in Split View" context menu item did not respect the SameSite cookie attribute. Therefore SameSite=Strict cookies would be sent on a cross-site navigation using this method.
References
support@hackerone.comhttps://hackerone.com/reports/3253725
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Desktop Browser",
          "vendor": "Brave",
          "versions": [
            {
              "lessThan": "1.83.10",
              "status": "affected",
              "version": "1.83.10",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "support@hackerone.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Brave Browser Desktop versions prior to 1.83.10 that have the split view feature enabled, the \"Open Link in Split View\" context menu item did not respect the SameSite cookie attribute. Therefore SameSite=Strict cookies would be sent on a cross-site navigation using this method."
    },
    {
      "lang": "es",
      "value": "En las versiones de Brave Navegador de Escritorio anteriores a la 1.83.10 que tienen la funci\u00f3n de vista dividida habilitada, el elemento del men\u00fa contextual \u0027Abrir enlace en vista dividida\u0027 no respetaba el atributo de cookie SameSite. Por lo tanto, las cookies SameSite=Strict se enviar\u00edan en una navegaci\u00f3n entre sitios usando este m\u00e9todo."
    }
  ],
  "id": "CVE-2025-48980",
  "lastModified": "2026-10-07T21:10:00.200",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "support@hackerone.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-48980",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-31T14:47:46.566526Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-31T00:15:36.327",
  "references": [
    {
      "source": "support@hackerone.com",
      "url": "https://hackerone.com/reports/3253725"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-565"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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