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CVE-2025-55076

Full vulnerability record from the local CVENow database.

Description

A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges.

Severity
MEDIUM
CVSS score
6.2 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-12-03 17:15:52.493000
Last modified
2026-10-26 22:10:00.163000
View original CVE JSON
{
  "id": "CVE-2025-55076",
  "sourceIdentifier": "[email protected]",
  "published": "2025-12-03T17:15:52.493",
  "lastModified": "2026-10-26T22:10:00.163",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A local privilege escalation vulnerability exists in the InstallationHelper service included with Plugin Alliance Installation Manager v1.4.0 for macOS. The service accepts unauthenticated XPC connections and executes input via system(), which may allow a local user to execute arbitrary commands with root privileges."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad local de escalada de privilegios en el servicio InstallationHelper incluido con Plugin Alliance Installation Manager v1.4.0 para macOS. El servicio acepta conexiones XPC no autenticadas y ejecuta la entrada a través de system(), lo que puede permitir a un usuario local ejecutar comandos arbitrarios con privilegios de root."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
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        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "timestamp": "2025-12-03T16:34:03.083759Z",
          "id": "CVE-2025-55076",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
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  },
  "weaknesses": [
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      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "https://almightysec.com/plugin-alliance-helpertool-xpc-service-local-privilege-escalation/",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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    }
  ]
}