Vulnerability-Lookup

GHSA-6C3W-CF6G-QMGH

Vulnerability from github – Published: 2026-03-31 18:31 – Updated: 2026-03-31 18:31

Details

A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function _copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that "this has already been discovered and fixed for the next release."

Severity

4.7 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

2.0 (Low)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-5203"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-31T16:16:35Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function _copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that \"this has already been discovered and fixed for the next release.\"",
  "id": "GHSA-6c3w-cf6g-qmgh",
  "modified": "2026-03-31T18:31:31Z",
  "published": "2026-03-31T18:31:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5203"
    },
    {
      "type": "WEB",
      "url": "https://drive.proton.me/urls/Q0JHZ339BW#X9P2G3Guwvwa"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/772855"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/354331"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/354331/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-5203 (GCVE-0-2026-5203)

Vulnerability from cvelistv5 – Published: 2026-03-31 15:45 – Updated: 2026-03-31 17:35 X_Open Source

Title

CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal

Summary

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

4.7 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-31 17:35 UTC

CWE

CWE-22 - Path Traversal

Assigner

VulDB mitre root Scorecard

References

4 references

URL	Tags
https://vuldb.com/vuln/354331	vdb-entrytechnical-description
https://vuldb.com/vuln/354331/cti	signaturepermissions-required
https://vuldb.com/submit/772855	third-party-advisory
https://drive.proton.me/urls/Q0JHZ339BW#X9P2G3Guwvwa	exploit

Impacted products

1 product

Vendor	Product	Version
n/a	CMS Made Simple	Affected: 2.2.0 Affected: 2.2.1 Affected: 2.2.2 Affected: 2.2.3 Affected: 2.2.4 Affected: 2.2.5 Affected: 2.2.6 Affected: 2.2.7 Affected: 2.2.8 Affected: 2.2.9 Affected: 2.2.10 Affected: 2.2.11 Affected: 2.2.12 Affected: 2.2.13 Affected: 2.2.14 Affected: 2.2.15 Affected: 2.2.16 Affected: 2.2.17 Affected: 2.2.18 Affected: 2.2.19 Affected: 2.2.20 Affected: 2.2.21 Affected: 2.2.22 cpe:2.3:a:cms_made_simple:cms_made_simple::::::::

Credits

caginkyr (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5203",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-31T17:35:26.772515Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-31T17:35:35.625Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:cms_made_simple:cms_made_simple:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "UserGuide Module XML Import"
          ],
          "product": "CMS Made Simple",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.2.0"
            },
            {
              "status": "affected",
              "version": "2.2.1"
            },
            {
              "status": "affected",
              "version": "2.2.2"
            },
            {
              "status": "affected",
              "version": "2.2.3"
            },
            {
              "status": "affected",
              "version": "2.2.4"
            },
            {
              "status": "affected",
              "version": "2.2.5"
            },
            {
              "status": "affected",
              "version": "2.2.6"
            },
            {
              "status": "affected",
              "version": "2.2.7"
            },
            {
              "status": "affected",
              "version": "2.2.8"
            },
            {
              "status": "affected",
              "version": "2.2.9"
            },
            {
              "status": "affected",
              "version": "2.2.10"
            },
            {
              "status": "affected",
              "version": "2.2.11"
            },
            {
              "status": "affected",
              "version": "2.2.12"
            },
            {
              "status": "affected",
              "version": "2.2.13"
            },
            {
              "status": "affected",
              "version": "2.2.14"
            },
            {
              "status": "affected",
              "version": "2.2.15"
            },
            {
              "status": "affected",
              "version": "2.2.16"
            },
            {
              "status": "affected",
              "version": "2.2.17"
            },
            {
              "status": "affected",
              "version": "2.2.18"
            },
            {
              "status": "affected",
              "version": "2.2.19"
            },
            {
              "status": "affected",
              "version": "2.2.20"
            },
            {
              "status": "affected",
              "version": "2.2.21"
            },
            {
              "status": "affected",
              "version": "2.2.22"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "caginkyr (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function _copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that \"this has already been discovered and fixed for the next release.\""
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5.8,
            "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-22",
              "description": "Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-31T15:45:08.773Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-354331 | CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/354331"
        },
        {
          "name": "VDB-354331 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/354331/cti"
        },
        {
          "name": "Submit #772855 | CMSMadeSimple CMS Made Simple (CMSMS) 2.2.22 and old versions modules/UserGuide/lib/class.UserGuideImporterExporter.php",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/772855"
        },
        {
          "tags": [
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          ],
          "url": "https://drive.proton.me/urls/Q0JHZ339BW#X9P2G3Guwvwa"
        }
      ],
      "tags": [
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          "time": "2026-03-31T00:00:00.000Z",
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          "time": "2026-03-31T02:00:00.000Z",
          "value": "VulDB entry created"
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          "time": "2026-03-31T10:45:27.000Z",
          "value": "VulDB entry last update"
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      "title": "CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal"
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    "dateReserved": "2026-03-31T08:40:14.589Z",
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    "state": "PUBLISHED"
  },
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-6C3W-CF6G-QMGH

CVE-2026-5203 (GCVE-0-2026-5203)

Tags

Sightings

Nomenclature

Related by attack behaviour