CVE-2012-6554

Estado: ModificadaMedia (6.5)—💥 Exploit

functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properly handled when executing the preg_replace function with the eval switch.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Puntuación base: 6.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 17%
Percentil entre todas las CVEs puntuadas: 97
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Módulo de Metasploit (exploit fiable y al alcance de cualquiera) · Active Collab "chat module" Remote PHP Code Injection Exploit
Publicado en Exploit-DB · Active Collab 'chat module' < 2.3.8 - Remote PHP Code Injection (Metasploit) (19/5/2012)

Tecnologías afectadas (1)

A51dev — Activecollab Chat Module

CWE

CWE-20

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2012-6554",
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "affectedData": [
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          "versions": [
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              "version": "n/a"
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  "published": "2013-05-23T15:55:01.687",
  "references": [
    {
      "url": "http://osvdb.org/81966",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/49246",
      "tags": [
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      "url": "http://www.activecollab.com/downloads/category/4/package/62/releases",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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    {
      "lang": "en",
      "value": "functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properly handled when executing the preg_replace function with the eval switch."
    },
    {
      "lang": "es",
      "value": "functions/html_to_text.php en el módulo Chat anterior a 1.5.2 para activeCollab, permite a usuarios autenticados remotamente ejecutar código PHP de su elección a través del parámetro message[message_text] a chat/add_messag que no se maneja adecuadamente cuando se ejecuta la función preg_replace con el switch eval."
    }
  ],
  "lastModified": "2026-06-16T23:48:21.730",
  "configurations": [
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