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CVE-2007-0995

Status: ModifiedMedium (4.3)—

Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 ignores trailing invalid HTML characters in attribute names, which allows remote attackers to bypass content filters that use regular expressions.

CVSS

Exploitation probability (EPSS)

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 — FirefoxMozilla — Seamonkey

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2007-0995",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-02-26T19:28:00.000",
  "references": [
    {
      "url": "ftp://patches.sgi.com/support/free/security/advisories/20070202-01-P.asc",
      "source": "secalert@redhat.com"
    },
    {
      "url": "ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://fedoranews.org/cms/node/2713",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://fedoranews.org/cms/node/2728",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://ha.ckers.org/xss.html#XSS_Non_alpha_non_digit2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://osvdb.org/32112",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2007-0077.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/24205",
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    {
      "url": "http://secunia.com/advisories/24238",
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    {
      "url": "http://secunia.com/advisories/24287",
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      "url": "http://secunia.com/advisories/24290",
      "source": "secalert@redhat.com"
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    {
      "url": "http://secunia.com/advisories/24293",
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      "url": "http://secunia.com/advisories/24320",
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    {
      "url": "http://secunia.com/advisories/24328",
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    {
      "url": "http://secunia.com/advisories/24333",
      "source": "secalert@redhat.com"
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    {
      "url": "http://secunia.com/advisories/24342",
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    },
    {
      "url": "http://secunia.com/advisories/24343",
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    {
      "url": "http://secunia.com/advisories/24384",
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    {
      "url": "http://secunia.com/advisories/24393",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/24395",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/24437",
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    },
    {
      "url": "http://secunia.com/advisories/24455",
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    },
    {
      "url": "http://secunia.com/advisories/24457",
      "source": "secalert@redhat.com"
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    {
      "url": "http://secunia.com/advisories/24650",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/25588",
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    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200703-04.xml",
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    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131",
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    {
      "url": "http://www.debian.org/security/2007/dsa-1336",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200703-08.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:050",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2007/mfsa2007-02.html",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2007_22_mozilla.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.osvdb.org/32111",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0078.html",
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    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0079.html",
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    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0097.html",
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      "url": "http://www.redhat.com/support/errata/RHSA-2007-0108.html",
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      "url": "http://www.securityfocus.com/archive/1/461336/100/0/threaded",
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      "url": "http://www.securityfocus.com/archive/1/461809/100/0/threaded",
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    {
      "url": "http://www.securityfocus.com/bid/22694",
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    {
      "url": "http://www.securitytracker.com/id?1017702",
      "source": "secalert@redhat.com"
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    {
      "url": "http://www.ubuntu.com/usn/usn-428-1",
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    {
      "url": "http://www.vupen.com/english/advisories/2007/0718",
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    {
      "url": "https://issues.rpath.com/browse/RPL-1081",
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      "url": "https://issues.rpath.com/browse/RPL-1103",
      "source": "secalert@redhat.com"
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      "url": "http://fedoranews.org/cms/node/2713",
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    {
      "url": "http://fedoranews.org/cms/node/2728",
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    },
    {
      "url": "http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://ha.ckers.org/xss.html#XSS_Non_alpha_non_digit2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://lists.suse.com/archive/suse-security-announce/2007-Mar/0001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "url": "http://secunia.com/advisories/24205",
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      "url": "http://secunia.com/advisories/24238",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://secunia.com/advisories/24287",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://secunia.com/advisories/24290",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://secunia.com/advisories/24293",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://secunia.com/advisories/24320",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://secunia.com/advisories/24328",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://secunia.com/advisories/24437",
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      "url": "http://secunia.com/advisories/24455",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://secunia.com/advisories/24457",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://secunia.com/advisories/24650",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://secunia.com/advisories/25588",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.338131",
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    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.374851",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2007/dsa-1336",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200703-08.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:050",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2007/mfsa2007-02.html",
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    {
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    },
    {
      "url": "http://www.osvdb.org/32111",
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      "url": "http://www.redhat.com/support/errata/RHSA-2007-0078.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.redhat.com/support/errata/RHSA-2007-0108.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/461336/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.securityfocus.com/archive/1/461809/100/0/threaded",
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    },
    {
      "url": "http://www.securityfocus.com/bid/22694",
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      "url": "http://www.securitytracker.com/id?1017702",
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      "url": "http://www.ubuntu.com/usn/usn-428-1",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 ignores trailing invalid HTML characters in attribute names, which allows remote attackers to bypass content filters that use regular expressions."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox anterior a 1.5.0.10 y 2.x anterior a 2.0.0.2, y SeaMonkey anterior a 1.0.8 ignoran el tratamiento de caracteres HTML inválidos en nombres de atributo, lo cual permite a atacantes remotos evitar filtros de contenido que usan expresiones regulares."
    }
  ],
  "lastModified": "2026-06-16T22:36:42.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:1.5.0.10:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "matchCriteriaId": "3487FA64-BE04-42CA-861E-3DAC097D7D32"
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              "matchCriteriaId": "F3D956DC-C73B-439F-8D79-8239207CC76F"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0679D9AD-ECEA-4C75-BFED-822F00A49628",
              "versionEndIncluding": "1.0.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}