CVE-2011-4962

Status: ModifiedMedium (6.8)—

code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized.

CVSS

Version: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Base score: 6.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 3.92%
Percentile among all scored CVEs: 90
Score date: 10/6/2026

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)

Silverstripe — Silverstripe

CWEs

CWE-20

References

Raw JSON (NVD)

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{
  "id": "CVE-2011-4962",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2012-09-17T17:55:02.987",
  "references": [
    {
      "url": "http://doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/04/30/1",
      "tags": [
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/04/30/3",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/silverstripe/silverstripe-cms/commit/d15e850",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://doc.silverstripe.org/framework/en/trunk/changelogs/2.4.6",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/04/30/1",
      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2012/04/30/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/silverstripe/silverstripe-cms/commit/d15e850",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "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": "code/sitefeatures/PageCommentInterface.php in SilverStripe 2.4.x before 2.4.6 might allow remote attackers to execute arbitrary code via a crafted cookie in a user comment submission, which is not properly handled when it is deserialized."
    },
    {
      "lang": "es",
      "value": "code/sitefeatures/PageCommentInterface.php en SilverStripe v2.4.x antes de v2.4.6 podría permitir a atacantes remotos ejecutar código de su elección a través de una cookie hecha a mano en el envío de comentarios de usuario, que no son correctamente gestionados cuando se deserializa.\r\n"
    }
  ],
  "lastModified": "2026-06-16T23:35:43.960",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:silverstripe:silverstripe:2.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F5BCB4DE-0432-4378-8A31-81208794EBD7"
            },
            {
              "criteria": "cpe:2.3:a:silverstripe:silverstripe:2.4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DE198516-3D97-4804-84CF-8F9AAC60E795"
            },
            {
              "criteria": "cpe:2.3:a:silverstripe:silverstripe:2.4.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "534AD362-1460-4784-97C8-3AA5DD830F94"
            },
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              "criteria": "cpe:2.3:a:silverstripe:silverstripe:2.4.3:*:*:*:*:*:*:*",
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              "matchCriteriaId": "FA54E0DE-33DC-445D-8154-4DC580BA8812"
            },
            {
              "criteria": "cpe:2.3:a:silverstripe:silverstripe:2.4.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5049C8FF-A147-49AE-AF1B-D6F26BFE2B7B"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "5FCD3B4E-6E0F-413B-8DDD-CB259C0EE40E"
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          "operator": "OR"
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  "sourceIdentifier": "secalert@redhat.com"
}