CVE-2014-7899

Status: ModifiedMedium (5)—

Severity5Medium · CVSS 2.0

Exploitation probability1.25 %higher than 69% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

Google Chrome before 38.0.2125.101 allows remote attackers to spoof the address bar by placing a blob: substring at the beginning of the URL, followed by the original URI scheme and a long username string.

CVSS

Base score: 5
Version: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 1.25 %
Percentile among all scored CVEs: 69
Score date: 10/21/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Chrome

CWEs

CWE-20

References

Show 16 references

Raw JSON (NVD)

Show

{
  "id": "CVE-2014-7899",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-11-19T11:59:00.090",
  "references": [
    {
      "url": "http://googlechromereleases.blogspot.com/2014/11/stable-channel-update_18.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2014-1894.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://secunia.com/advisories/60194",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/71160",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1031241",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://code.google.com/p/chromium/issues/detail?id=389734",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98787",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://src.chromium.org/viewvc/chrome?revision=279232&view=revision",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://googlechromereleases.blogspot.com/2014/11/stable-channel-update_18.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2014-1894.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/60194",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/71160",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1031241",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://code.google.com/p/chromium/issues/detail?id=389734",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98787",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://src.chromium.org/viewvc/chrome?revision=279232&view=revision",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Google Chrome before 38.0.2125.101 allows remote attackers to spoof the address bar by placing a blob: substring at the beginning of the URL, followed by the original URI scheme and a long username string."
    },
    {
      "lang": "es",
      "value": "Google Chrome anterior a 38.0.2125.101 permite a atacantes remotos falsificar la barra de direcciones mediante la colocación de un blob, es decir, una subcadena al principio de la dirección URL, seguido por el esquema original URI y una cadena con un largo nombre de usuario."
    }
  ],
  "lastModified": "2026-06-17T00:15:54.413",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49217EEC-AE40-4FBD-A5D4-B4A323CD5645",
              "versionEndIncluding": "38.0.2125.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "chrome-cve-admin@google.com"
}