Vulnerability-Lookup

CVE-2026-91017 (GCVE-0-2026-91017)

Vulnerability from cvelistv5 – Published: 2026-09-17 07:05 – Updated: 2026-09-17 07:05

Title

Robokassa payment gateway for Woocommerce < 1.8.9 - Unauthenticated Payment Bypass via Forged JWT Callback

Summary

The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature.

Severity

3.7 (Low)


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

CWE

CWE-345 Insufficient Verification of Data Authenticity

Assigner

WPScan mitre root

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/1aeef0b4-9b14-4b…	exploitvdb-entrytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Unknown	Robokassa payment gateway for Woocommerce	Affected: 0 , < 1.8.9 (semver)	guessed

Credits

Pedro Pinho WPScan

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "Robokassa payment gateway for Woocommerce",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.8.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Pedro Pinho"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-345 Insufficient Verification of Data Authenticity",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-17T07:05:48.965Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Robokassa payment gateway for Woocommerce \u003c 1.8.9 - Unauthenticated Payment Bypass via Forged JWT Callback",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-91017",
    "datePublished": "2026-09-17T07:05:48.965Z",
    "dateReserved": "2026-09-14T16:40:14.381Z",
    "dateUpdated": "2026-09-17T07:05:48.965Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-91017\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-09-17T07:16:28.773\",\"lastModified\":\"2026-09-17T07:16:28.773\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"Robokassa payment gateway for Woocommerce\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"1.8.9\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"contact@wpscan.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":3.7,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":1.4}]},\"references\":[{\"url\":\"https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/\",\"source\":\"contact@wpscan.com\"}]}}"
  }
}

FKIE_CVE-2026-91017

Vulnerability from fkie_nvd - Published: 2026-09-17 07:16 - Updated: 2026-09-17 07:16

Severity

3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	contact@wpscan.com	https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "Robokassa payment gateway for Woocommerce",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.8.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature."
    }
  ],
  "id": "CVE-2026-91017",
  "lastModified": "2026-09-17T07:16:28.773",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "contact@wpscan.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-09-17T07:16:28.773",
  "references": [
    {
      "source": "contact@wpscan.com",
      "url": "https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023/"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Received"
}

GHSA-X78W-XRX4-7HRF

Vulnerability from github – Published: 2026-09-17 09:33 – Updated: 2026-09-17 09:33

Details

Severity

3.7 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-91017"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T07:16:28Z",
    "severity": "LOW"
  },
  "details": "The Robokassa payment gateway for Woocommerce WordPress plugin before 1.8.9 does not verify the authenticity of incoming payment notifications when its non-default deferred-payment feature is enabled, allowing unauthenticated attackers to forge a notification and mark arbitrary WooCommerce orders as paid or on-hold without payment or a valid signature.",
  "id": "GHSA-x78w-xrx4-7hrf",
  "modified": "2026-09-17T09:33:01Z",
  "published": "2026-09-17T09:33:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91017"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/1aeef0b4-9b14-4b03-b7f6-a05937622023"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

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.

Action not permitted

CVE-2026-91017 (GCVE-0-2026-91017)

FKIE_CVE-2026-91017

GHSA-X78W-XRX4-7HRF

Tags

Sightings

Nomenclature

Related by attack behaviour