CVE-2026-66479 (GCVE-0-2026-66479)

Vulnerability from cvelistv5 – Published: 2026-10-08 12:20 – Updated: 2026-10-08 14:12 X_Open Source
VLAI
Title
WordPress WPComplete plugin <= 2.9.5.6 - CSRF to Stored XSS vulnerability
Summary
Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through 2.9.5.6.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 14:11 UTC
CWE
  • CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2567 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Liquid Web / StellarWP WPComplete Affected: 0 , ≤ 2.9.5.6 (custom)
guessed Create a notification for this product.
Date Public
2026-10-08 12:20
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-66479",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-08T14:11:51.659948Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-08T14:12:00.074Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "wpcomplete",
          "product": "WPComplete",
          "vendor": "Liquid Web / StellarWP",
          "versions": [
            {
              "changes": [
                {
                  "at": "2.9.5.7",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "2.9.5.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Asim Alshaya | Patchstack Bug Bounty Program"
        }
      ],
      "datePublic": "2026-10-08T12:20:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.\u003cp\u003eThis issue affects WPComplete: from n/a through 2.9.5.6.\u003c/p\u003e"
            }
          ],
          "value": "Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through 2.9.5.6."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "Stored XSS"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-08T12:20:49.278Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/wordpress/plugin/wpcomplete/vulnerability/wordpress-wpcomplete-plugin-2-9-5-6-csrf-to-stored-xss-vulnerability?_s_id=cve"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update the WordPress WPComplete plugin to the latest available version (at least 2.9.5.7)."
            }
          ],
          "value": "Update the WordPress WPComplete plugin to the latest available version (at least 2.9.5.7)."
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "title": "WordPress WPComplete plugin \u003c= 2.9.5.6 - CSRF to Stored XSS vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-66479",
    "datePublished": "2026-10-08T12:20:49.278Z",
    "dateReserved": "2026-07-27T09:50:27.375Z",
    "dateUpdated": "2026-10-08T14:12:00.074Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "collectionURL": "https://wordpress.org/plugins",
                "defaultStatus": "unaffected",
                "packageName": "wpcomplete",
                "product": "WPComplete",
                "vendor": "Liquid Web / StellarWP",
                "versions": [
                  {
                    "changes": [
                      {
                        "at": "2.9.5.7",
                        "status": "unaffected"
                      }
                    ],
                    "lessThanOrEqual": "2.9.5.6",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "audit@patchstack.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through 2.9.5.6."
          }
        ],
        "id": "CVE-2026-66479",
        "lastModified": "2026-10-08T17:24:11.230",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 7.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.7,
              "source": "audit@patchstack.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-66479",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-08T14:11:51.659948Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-08T13:17:18.707",
        "references": [
          {
            "source": "audit@patchstack.com",
            "url": "https://patchstack.com/database/wordpress/plugin/wpcomplete/vulnerability/wordpress-wpcomplete-plugin-2-9-5-6-csrf-to-stored-xss-vulnerability?_s_id=cve"
          }
        ],
        "sourceIdentifier": "audit@patchstack.com",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-352"
              }
            ],
            "source": "audit@patchstack.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-66479",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-10-08T14:11:51.659948Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-10-08T14:11:55.584Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "collectionURL": "https://wordpress.org/plugins",
              "defaultStatus": "unaffected",
              "packageName": "wpcomplete",
              "product": "WPComplete",
              "vendor": "Liquid Web / StellarWP",
              "versions": [
                {
                  "changes": [
                    {
                      "at": "2.9.5.7",
                      "status": "unaffected"
                    }
                  ],
                  "lessThanOrEqual": "2.9.5.6",
                  "status": "affected",
                  "version": "0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Asim Alshaya | Patchstack Bug Bounty Program"
            }
          ],
          "datePublic": "2026-10-08T12:20:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.\u003cp\u003eThis issue affects WPComplete: from n/a through 2.9.5.6.\u003c/p\u003e"
                }
              ],
              "value": "Cross-Site Request Forgery (CSRF) vulnerability in Liquid Web / StellarWP WPComplete wpcomplete allows Stored XSS.This issue affects WPComplete: from n/a through 2.9.5.6."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-592",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "Stored XSS"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 7.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-352",
                  "description": "Cross-Site Request Forgery (CSRF)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-08T12:20:49.278Z",
            "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
            "shortName": "Patchstack"
          },
          "references": [
            {
              "tags": [
                "vdb-entry"
              ],
              "url": "https://patchstack.com/database/wordpress/plugin/wpcomplete/vulnerability/wordpress-wpcomplete-plugin-2-9-5-6-csrf-to-stored-xss-vulnerability?_s_id=cve"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "Update the WordPress WPComplete plugin to the latest available version (at least 2.9.5.7)."
                }
              ],
              "value": "Update the WordPress WPComplete plugin to the latest available version (at least 2.9.5.7)."
            }
          ],
          "tags": [
            "x_open-source"
          ],
          "title": "WordPress WPComplete plugin \u003c= 2.9.5.6 - CSRF to Stored XSS vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "assignerShortName": "Patchstack",
        "cveId": "CVE-2026-66479",
        "datePublished": "2026-10-08T12:20:49.278Z",
        "dateReserved": "2026-07-27T09:50:27.375Z",
        "dateUpdated": "2026-10-08T14:12:00.074Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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

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.

Loading…

Loading…

Loading…

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.


Loading…