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    2 vulnerabilities found for UniPAY Payment Gateway For WooCommerce by Unknown

    CVE-2026-103331 (GCVE-0-2026-103331)

    Vulnerability from nvd – Published: 2026-10-28 06:00 – Updated: 2026-10-28 17:58
    VLAI
    Title
    UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret
    Summary
    The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-28 17:51 UTC
    CWE
    Assigner
    WPScan CNA under the mitre root
    CNA scorecard E 44/100 over 1894 records in the last 180 days details
    References
    URL Tags
    https://wpscan.com/vulnerability/a7d61b5f-9e92-45… exploitvdb-entrytechnical-description
    Impacted products
    Credits
    Naoki Kawahigashi WPScan
    Show details on NVD website
    To clipboard 

    {
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    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-103331",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-28T17:51:06.716523Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-28T17:58:09.780Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "UniPAY Payment Gateway For WooCommerce",
          "vendor": "Unknown",
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            {
              "lessThanOrEqual": "2.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Naoki Kawahigashi"
        },
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        }
      ],
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T06:00:19.793Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
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          "url": "https://wpscan.com/vulnerability/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "UniPAY Payment Gateway For WooCommerce \u003c= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-103331",
    "datePublished": "2026-10-28T06:00:19.793Z",
    "dateReserved": "2026-09-30T12:41:17.576Z",
    "dateUpdated": "2026-10-28T17:58:09.780Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-103331 (GCVE-0-2026-103331)

    Vulnerability from cvelistv5 – Published: 2026-10-28 06:00 – Updated: 2026-10-28 17:58
    VLAI
    Title
    UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret
    Summary
    The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-10-28 17:51 UTC
    CWE
    Assigner
    WPScan CNA under the mitre root
    CNA scorecard E 44/100 over 1894 records in the last 180 days details
    References
    URL Tags
    https://wpscan.com/vulnerability/a7d61b5f-9e92-45… exploitvdb-entrytechnical-description
    Impacted products
    Credits
    Naoki Kawahigashi WPScan
    Show details on NVD website
    To clipboard 

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      {
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          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-103331",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-28T17:51:06.716523Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-28T17:58:09.780Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "UniPAY Payment Gateway For WooCommerce",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThanOrEqual": "2.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Naoki Kawahigashi"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T06:00:19.793Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "UniPAY Payment Gateway For WooCommerce \u003c= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "WPScan",
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