CVE-2009-2336

Status: ModifiedMedium (5)—

The forgotten mail interface in WordPress and WordPress MU before 2.8.1 exhibits different behavior for a password request depending on whether the user account exists, which allows remote attackers to enumerate valid usernames. NOTE: the vendor reportedly disputes the significance of this issue, indicating that the behavior exists for "user convenience."

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 5.41%
Percentile among all scored CVEs: 92
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 (2)

Wordpress — Wordpress Wordpress — Wordpress MU

CWEs

CWE-16

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2009-2336",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
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      "affectedData": [
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  ],
  "published": "2009-07-10T21:00:00.233",
  "references": [
    {
      "url": "http://corelabs.coresecurity.com/index.php?action=view&type=advisory&name=WordPress_Privileges_Unchecked",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-16"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The forgotten mail interface in WordPress and WordPress MU before 2.8.1 exhibits different behavior for a password request depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.  NOTE: the vendor reportedly disputes the significance of this issue, indicating that the behavior exists for \"user convenience.\""
    },
    {
      "lang": "es",
      "value": "El interfaz de correo olvidado en WordPress y WordPress MU anterior a v2.8.1 muestra diferentes comportamientos para una petición de contraseña dependiendo de si existe la cuenta de usuario, lo cual permite a atacantes remotos enumerar los nombres de usuario válidos. NOTA: el fabricante informa cuestionando la importancia de esta incidencia,indicando que este comportamiendo se da por conveniencia para el usuario."
    }
  ],
  "lastModified": "2026-06-16T23:09:14.313",
  "configurations": [
    {
      "nodes": [
        {
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  "sourceIdentifier": "cve@mitre.org"
}