GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-27056 (GCVE-0-2026-27056)

Vulnerability from cvelistv5 – Published: 2026-02-19 08:20 – Updated: 2026-04-28 16:15
VLAI
Title
WordPress iThemes Sync plugin <= 3.2.8 - Broken Access Control vulnerability
Summary
Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through <= 3.2.8.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-19 21:38 UTC
CWE
References
Impacted products
Vendor Product Version CPE status
StellarWP iThemes Sync Affected: 0 , ≤ 3.2.8 (custom)
guessed Create a notification for this product.
Date Public
2026-04-01 16:05
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27056",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-19T21:38:14.230623Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-28T15:51:19.008Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "ithemes-sync",
          "product": "iThemes Sync",
          "vendor": "StellarWP",
          "versions": [
            {
              "changes": [
                {
                  "at": "3.2.9",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "3.2.8",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "theviper17 | Patchstack Bug Bounty Program"
        }
      ],
      "datePublic": "2026-04-01T16:05:11.689Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.\u003cp\u003eThis issue affects iThemes Sync: from n/a through \u003c= 3.2.8.\u003c/p\u003e"
            }
          ],
          "value": "Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through \u003c= 3.2.8."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-180",
          "descriptions": [
            {
              "lang": "en",
              "value": "Exploiting Incorrectly Configured Access Control Security Levels"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-28T16:15:00.906Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/Wordpress/Plugin/ithemes-sync/vulnerability/wordpress-ithemes-sync-plugin-3-2-8-broken-access-control-vulnerability?_s_id=cve"
        }
      ],
      "title": "WordPress iThemes Sync plugin \u003c= 3.2.8 - Broken Access Control vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-27056",
    "datePublished": "2026-02-19T08:20:33.197Z",
    "dateReserved": "2026-02-17T13:23:30.505Z",
    "dateUpdated": "2026-04-28T16:15:00.906Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-27056",
      "date": "2026-09-17",
      "epss": "0.00152",
      "percentile": "0.04741"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-27056\",\"sourceIdentifier\":\"audit@patchstack.com\",\"published\":\"2026-02-19T09:16:26.823\",\"lastModified\":\"2026-06-17T10:26:36.913\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through \u003c= 3.2.8.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de autorizaci\u00f3n faltante en StellarWP iThemes Sync ithemes-sync permite la explotaci\u00f3n de niveles de seguridad de control de acceso configurados incorrectamente. Este problema afecta a iThemes Sync: desde n/a hasta \u0026lt;= 3.2.8.\"}],\"affected\":[{\"source\":\"audit@patchstack.com\",\"affectedData\":[{\"vendor\":\"StellarWP\",\"product\":\"iThemes Sync\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"packageName\":\"ithemes-sync\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"3.2.8\",\"versionType\":\"custom\",\"status\":\"affected\",\"changes\":[{\"at\":\"3.2.9\",\"status\":\"unaffected\"}]}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-02-19T21:38:14.230623Z\",\"id\":\"CVE-2026-27056\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://patchstack.com/database/Wordpress/Plugin/ithemes-sync/vulnerability/wordpress-ithemes-sync-plugin-3-2-8-broken-access-control-vulnerability?_s_id=cve\",\"source\":\"audit@patchstack.com\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-04-29T01:43:47+00:00",
      "cve": "CVE-2026-27056",
      "id": "CVE-2026-27056",
      "initial_release_date": "2026-04-01T16:05:11.689000+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "WordPress iThemes Sync plugin \u003c= 3.2.8 - Broken Access Control vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27056.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-27056\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-19T21:38:14.230623Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-19T21:37:35.281Z\"}}], \"cna\": {\"title\": \"WordPress iThemes Sync plugin \u003c= 3.2.8 - Broken Access Control vulnerability\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"theviper17 | Patchstack Bug Bounty Program\"}], \"impacts\": [{\"capecId\": \"CAPEC-180\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"Exploiting Incorrectly Configured Access Control Security Levels\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"StellarWP\", \"product\": \"iThemes Sync\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"3.2.9\", \"status\": \"unaffected\"}], \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"3.2.8\"}], \"packageName\": \"ithemes-sync\", \"collectionURL\": \"https://wordpress.org/plugins\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-04-28T13:26:53.671Z\", \"references\": [{\"url\": \"https://patchstack.com/database/Wordpress/Plugin/ithemes-sync/vulnerability/wordpress-ithemes-sync-plugin-3-2-8-broken-access-control-vulnerability?_s_id=cve\", \"tags\": [\"vdb-entry\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through \u003c= 3.2.8.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.\u003cp\u003eThis issue affects iThemes Sync: from n/a through \u003c= 3.2.8.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"shortName\": \"Patchstack\", \"dateUpdated\": \"2026-04-28T12:10:50.748Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-27056\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-28T15:51:19.008Z\", \"dateReserved\": \"2026-02-17T13:23:30.505Z\", \"assignerOrgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"datePublished\": \"2026-02-19T08:20:33.197Z\", \"assignerShortName\": \"Patchstack\"}",
      "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…

Detection rules are retrieved from Rulezet.

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…