github - ghsa-5w5v-4m3m-w7hq

GHSA-5W5V-4M3M-W7HQ

Vulnerability from github – Published: 2025-10-31 00:30 – Updated: 2025-10-31 00:30

Details

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.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-48980"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-565"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-31T00:15:36Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-5w5v-4m3m-w7hq",
  "modified": "2025-10-31T00:30:35Z",
  "published": "2025-10-31T00:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-48980"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3253725"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-48980 (GCVE-0-2025-48980)

Vulnerability from cvelistv5 – Published: 2025-10-30 23:29 – Updated: 2025-12-01 20:22

Summary

Severity ?

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWE

CWE-565 - Reliance on Cookies without Validation and Integrity Checking

Assigner

hackerone

References

URL

Tags

https://hackerone.com/reports/3253725

Impacted products

	Vendor	Product	Version
	Brave	Desktop Browser	Affected: 1.83.10 , < 1.83.10 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-48980",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-31T14:47:46.566526Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-565",
                "description": "CWE-565 Reliance on Cookies without Validation and Integrity Checking",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-01T20:22:29.067Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Desktop Browser",
          "vendor": "Brave",
          "versions": [
            {
              "lessThan": "1.83.10",
              "status": "affected",
              "version": "1.83.10",
              "versionType": "semver"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-30T23:29:44.075Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/3253725"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2025-48980",
    "datePublished": "2025-10-30T23:29:44.075Z",
    "dateReserved": "2025-05-29T15:00:04.773Z",
    "dateUpdated": "2025-12-01T20:22:29.067Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-5W5V-4M3M-W7HQ

CVE-2025-48980 (GCVE-0-2025-48980)

Tags

Sightings

Nomenclature