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    2 vulnerabilities found for macro-plantuml by xwiki-contrib

    CVE-2026-42140 (GCVE-0-2026-42140)

    Vulnerability from nvd – Published: 2026-05-04 17:37 – Updated: 2026-05-04 19:52
    VLAI
    Title
    Server-Side Request Forgery (SSRF) in PlantUML Macro via 'server' parameter
    Summary
    PlantUML Macro is a macro for rendering UML diagrams from simple textual schemes. Prior to version 2.4.1, the PlantUML Macro is vulnerable to Server-Side Request Forgery (SSRF). The macro allows users to specify an alternative PlantUML server via the server parameter. However, the application does not validate the supplied URL. An attacker can supply an internal IP address or a malicious external URL. The XWiki server will attempt to connect to this URL to "render" the diagram. This issue has been patched in version 2.4.1.
    Severity
    4.4 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

    {
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                "id": "CVE-2026-42140",
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-04T19:51:44.271981Z",
                "version": "2.0.3"
              },
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-04T19:52:14.187Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "macro-plantuml",
          "vendor": "xwiki-contrib",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.4.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "PlantUML Macro is a macro for rendering UML diagrams from simple textual schemes. Prior to version 2.4.1, the PlantUML Macro is vulnerable to Server-Side Request Forgery (SSRF). The macro allows users to specify an alternative PlantUML server via the server parameter. However, the application does not validate the supplied URL. An attacker can supply an internal IP address or a malicious external URL. The XWiki server will attempt to connect to this URL to \"render\" the diagram. This issue has been patched in version 2.4.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
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            "integrityImpact": "LOW",
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      ],
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      },
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        {
          "name": "https://github.com/xwiki-contrib/macro-plantuml/security/advisories/GHSA-42fc-7w97-8vrc",
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            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/xwiki-contrib/macro-plantuml/security/advisories/GHSA-42fc-7w97-8vrc"
        },
        {
          "name": "https://github.com/xwiki-contrib/macro-plantuml/commit/c8b19bda93058794e04c8862fc7ca85c59b5fe5c",
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            "x_refsource_MISC"
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          "url": "https://github.com/xwiki-contrib/macro-plantuml/commit/c8b19bda93058794e04c8862fc7ca85c59b5fe5c"
        },
        {
          "name": "https://jira.xwiki.org/browse/PLANTUML-25",
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          "url": "https://jira.xwiki.org/browse/PLANTUML-25"
        }
      ],
      "source": {
        "advisory": "GHSA-42fc-7w97-8vrc",
        "discovery": "UNKNOWN"
      },
      "title": "Server-Side Request Forgery (SSRF) in PlantUML Macro via \u0027server\u0027 parameter"
    }
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    "dateReserved": "2026-04-24T17:15:21.834Z",
    "dateUpdated": "2026-05-04T19:52:14.187Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-42140 (GCVE-0-2026-42140)

    Vulnerability from cvelistv5 – Published: 2026-05-04 17:37 – Updated: 2026-05-04 19:52
    VLAI
    Title
    Server-Side Request Forgery (SSRF) in PlantUML Macro via 'server' parameter
    Summary
    PlantUML Macro is a macro for rendering UML diagrams from simple textual schemes. Prior to version 2.4.1, the PlantUML Macro is vulnerable to Server-Side Request Forgery (SSRF). The macro allows users to specify an alternative PlantUML server via the server parameter. However, the application does not validate the supplied URL. An attacker can supply an internal IP address or a malicious external URL. The XWiki server will attempt to connect to this URL to "render" the diagram. This issue has been patched in version 2.4.1.
    Severity
    4.4 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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                  },
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-04T19:51:44.271981Z",
                "version": "2.0.3"
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        ],
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          "dateUpdated": "2026-05-04T19:52:14.187Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "macro-plantuml",
          "vendor": "xwiki-contrib",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.4.1"
            }
          ]
        }
      ],
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        {
          "lang": "en",
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        }
      ],
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            "integrityImpact": "LOW",
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            "userInteraction": "REQUIRED",
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          ],
          "url": "https://github.com/xwiki-contrib/macro-plantuml/security/advisories/GHSA-42fc-7w97-8vrc"
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        {
          "name": "https://github.com/xwiki-contrib/macro-plantuml/commit/c8b19bda93058794e04c8862fc7ca85c59b5fe5c",
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          "url": "https://github.com/xwiki-contrib/macro-plantuml/commit/c8b19bda93058794e04c8862fc7ca85c59b5fe5c"
        },
        {
          "name": "https://jira.xwiki.org/browse/PLANTUML-25",
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          ],
          "url": "https://jira.xwiki.org/browse/PLANTUML-25"
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      ],
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        "advisory": "GHSA-42fc-7w97-8vrc",
        "discovery": "UNKNOWN"
      },
      "title": "Server-Side Request Forgery (SSRF) in PlantUML Macro via \u0027server\u0027 parameter"
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