CVE-2026-44962 (GCVE-0-2026-44962)

Vulnerability from cvelistv5 – Published: 2026-05-29 15:41 – Updated: 2026-05-29 16:43
VLAI
Summary
Plesk contains an XPath injection vulnerability in the APS Application Catalog search functionality, where user-supplied input is interpolated into XPath queries without proper sanitization. This allows an authenticated, low-privileged user to execute arbitrary operating system commands on the server, resulting in local privilege escalation.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-643 - Improper Neutralization of Data within XPath Expressions ('XPath Injection')
Assigner
Impacted products
Vendor Product Version
WebPros Plesk Affected: 18.0.75.1 , < 18.0.75.1 (semver)
Affected: 18.0.76.2 , < 18.0.76.2 (semver)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44962",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-29T16:43:11.003611Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-29T16:43:18.000Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Plesk",
          "vendor": "WebPros",
          "versions": [
            {
              "lessThan": "18.0.75.1",
              "status": "affected",
              "version": "18.0.75.1",
              "versionType": "semver"
            },
            {
              "lessThan": "18.0.76.2",
              "status": "affected",
              "version": "18.0.76.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Plesk contains an XPath injection vulnerability in the APS Application Catalog search functionality, where user-supplied input is interpolated into XPath queries without proper sanitization. This allows an authenticated, low-privileged user to execute arbitrary operating system commands on the server, resulting in local privilege escalation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-643",
              "description": "CWE-643 Improper Neutralization of Data within XPath Expressions (\u0027XPath Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-29T15:41:23.795Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://support.plesk.com/hc/en-us/articles/38633651286679-Vulnerability-CVE-2026-44962-in-Plesk-s-APS-Catalog"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-44962",
    "datePublished": "2026-05-29T15:41:23.795Z",
    "dateReserved": "2026-05-08T15:00:02.447Z",
    "dateUpdated": "2026-05-29T16:43:18.000Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-44962",
      "date": "2026-07-22",
      "epss": "0.00686",
      "percentile": "0.4881"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-44962\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2026-05-29T16:16:27.567\",\"lastModified\":\"2026-07-21T15:10:00.103\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Plesk contains an XPath injection vulnerability in the APS Application Catalog search functionality, where user-supplied input is interpolated into XPath queries without proper sanitization. This allows an authenticated, low-privileged user to execute arbitrary operating system commands on the server, resulting in local privilege escalation.\"},{\"lang\":\"es\",\"value\":\"Plesk contiene una vulnerabilidad de inyecci\u00f3n XPath en la funcionalidad de b\u00fasqueda del Cat\u00e1logo de Aplicaciones APS, donde la entrada proporcionada por el usuario se interpola en consultas XPath sin una sanitizaci\u00f3n adecuada. Esto permite a un usuario autenticado y con bajos privilegios ejecutar comandos arbitrarios del sistema operativo en el servidor, lo que resulta en una escalada local de privilegios.\"}],\"affected\":[{\"source\":\"support@hackerone.com\",\"affectedData\":[{\"vendor\":\"WebPros\",\"product\":\"Plesk\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"18.0.75.1\",\"lessThan\":\"18.0.75.1\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"18.0.76.2\",\"lessThan\":\"18.0.76.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.9,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.1,\"impactScore\":6.0}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-29T16:43:11.003611Z\",\"id\":\"CVE-2026-44962\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-643\"}]}],\"references\":[{\"url\":\"https://support.plesk.com/hc/en-us/articles/38633651286679-Vulnerability-CVE-2026-44962-in-Plesk-s-APS-Catalog\",\"source\":\"support@hackerone.com\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-06-05T19:12:07+00:00",
      "cve": "CVE-2026-44962",
      "id": "CVE-2026-44962",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2026-44962",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44962.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-44962\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-29T16:43:11.003611Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-29T16:43:14.744Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 10, \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\"}}], \"affected\": [{\"vendor\": \"WebPros\", \"product\": \"Plesk\", \"versions\": [{\"status\": \"affected\", \"version\": \"18.0.75.1\", \"lessThan\": \"18.0.75.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.0.76.2\", \"lessThan\": \"18.0.76.2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://support.plesk.com/hc/en-us/articles/38633651286679-Vulnerability-CVE-2026-44962-in-Plesk-s-APS-Catalog\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Plesk contains an XPath injection vulnerability in the APS Application Catalog search functionality, where user-supplied input is interpolated into XPath queries without proper sanitization. This allows an authenticated, low-privileged user to execute arbitrary operating system commands on the server, resulting in local privilege escalation.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-643\", \"description\": \"CWE-643 Improper Neutralization of Data within XPath Expressions (\u0027XPath Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"shortName\": \"hackerone\", \"dateUpdated\": \"2026-05-29T15:41:23.795Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-44962\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-29T16:43:18.000Z\", \"dateReserved\": \"2026-05-08T15:00:02.447Z\", \"assignerOrgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"datePublished\": \"2026-05-29T15:41:23.795Z\", \"assignerShortName\": \"hackerone\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Loading…