CVE-2023-42346 (GCVE-0-2023-42346)

Vulnerability from cvelistv5 – Published: 2026-05-08 00:00 – Updated: 2026-05-08 04:46
VLAI?
Summary
Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
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    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
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          "value": "Alkacon OpenCms before 16 allows XXE when the \u003c!DOCTYPE\u003e refers to an external host."
        }
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      "problemTypes": [
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            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T04:46:17.859Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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      "references": [
        {
          "url": "https://labs.watchtowr.com/xxe-you-can-depend-on-me-opencms/"
        }
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  "cveMetadata": {
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    "assignerShortName": "mitre",
    "cveId": "CVE-2023-42346",
    "datePublished": "2026-05-08T00:00:00.000Z",
    "dateReserved": "2023-09-08T00:00:00.000Z",
    "dateUpdated": "2026-05-08T04:46:17.859Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-42346",
      "date": "2026-05-08",
      "epss": "0.00076",
      "percentile": "0.22482"
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  }
}


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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

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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.



Detection rules are retrieved from Rulezet.