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CVE-2011-5026

Status: ModifiedMedium (4.3)—

Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php. NOTE: some of these details are obtained from third party information.

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 (1)

Winn — Winn Guestbook

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2011-5026",
  "cveTags": [],
  "metrics": {
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        "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
      }
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  },
  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  "published": "2011-12-29T04:15:05.173",
  "references": [
    {
      "url": "http://code.google.com/p/winn-guestbook/issues/detail?id=34",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/78070",
      "source": "cve@mitre.org"
    },
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      "url": "http://secunia.com/advisories/47391",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.exploit-db.com/exploits/18290",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/72025",
      "source": "cve@mitre.org"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-79"
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  ],
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    {
      "lang": "en",
      "value": "Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de ejecución de secuencias de comandos en sitios cruzados (XSS) en Winn GuestBook before v2.4.8d permite a atacantes remotos ejecutar código script web o HTML a través del nombre de un parámetro."
    }
  ],
  "lastModified": "2026-06-16T23:35:47.877",
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