CVE-2008-1238

Status: ModifiedMedium (5)—
Mozilla Firefox before 2.0.0.13 and SeaMonkey before 1.1.9, when generating the HTTP Referer header, does not list the entire URL when it contains Basic Authentication credentials without a username, which makes it easier for remote attackers to bypass application protection mechanisms that rely on Referer headers, such as with some Cross-Site Request Forgery (CSRF) mechanisms.
CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Base score: 5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.44%
Percentile among all scored CVEs: 84
Score date: 10/7/2026
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 (2)

Mozilla — Firefox Mozilla — Seamonkey
CWEs

CWE-287
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2008-1238",
  "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": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-03-27T10:44:00.000",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00002.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2008-0208.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/29391",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/29526",
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    {
      "url": "http://secunia.com/advisories/29539",
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    },
    {
      "url": "http://secunia.com/advisories/29541",
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    {
      "url": "http://secunia.com/advisories/29547",
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    {
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    {
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    {
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      "url": "http://www.debian.org/security/2008/dsa-1532",
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    {
      "url": "http://www.securityfocus.com/bid/28448",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.mozilla.org/security/announce/2008/mfsa2008-16.html",
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      "url": "http://www.securityfocus.com/bid/28448",
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      "url": "http://www.securitytracker.com/id?1019703",
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    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA08-087A.html",
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    {
      "url": "http://www.vupen.com/english/advisories/2008/0998/references",
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      "url": "http://www.vupen.com/english/advisories/2008/1793/references",
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    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9889",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox before 2.0.0.13 and SeaMonkey before 1.1.9, when generating the HTTP Referer header, does not list the entire URL when it contains Basic Authentication credentials without a username, which makes it easier for remote attackers to bypass application protection mechanisms that rely on Referer headers, such as with some Cross-Site Request Forgery (CSRF) mechanisms."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox versiones anteriores a 2.0.0.13 y SeaMonkey versiones anteriores a 1.1.9, cuando generan las cabeceras HTTP Referer, no listan la URL entera cuando contienen credenciales de autenticación básicas sin un nombre de usuario, lo cual hace más fácil a atacantes remotos evitar los mecanismos de protección de aplicaciones que dependen de la cabecera Referer, como con algunos mecanismos de falsificación de petición en sitios cruzados (CSRF)."
    }
  ],
  "lastModified": "2026-06-16T22:51:19.930",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D70186C3-B3C9-48A7-B282-37A9AB6F7726",
              "versionEndIncluding": "2.0.0.12"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DABC3E49-34F7-4748-B83F-6CF307230067",
              "versionEndIncluding": "1.1.8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}