CVE-2026-82183 (GCVE-0-2026-82183)

Vulnerability from cvelistv5 – Published: 2026-09-02 06:00 – Updated: 2026-09-02 06:00
VLAI
Title
OAuth Single Sign On 6.25.0 - 7.0.0 - Unauthenticated Account Takeover via Unverified Steam OpenID Assertion
Summary
The OAuth Single Sign On WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts.
Severity
No CVSS data available.
CWE
Assigner
References
URL Tags
https://wpscan.com/vulnerability/bc7c18f2-4e8c-47… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version CPE status
Unknown OAuth Single Sign On Affected: 6.25.0 , < 7.0.1 (semver)
guessed Create a notification for this product.
Credits
Pedro Pinho WPScan
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "OAuth Single Sign On",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "7.0.1",
              "status": "affected",
              "version": "6.25.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Pedro Pinho"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "WPScan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The OAuth Single Sign On  WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-02T06:00:24.102Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
        {
          "tags": [
            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/bc7c18f2-4e8c-47a3-a972-6162fd27aaca/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "OAuth Single Sign On 6.25.0 - 7.0.0 - Unauthenticated Account Takeover via Unverified Steam OpenID Assertion",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
    "cveId": "CVE-2026-82183",
    "datePublished": "2026-09-02T06:00:24.102Z",
    "dateReserved": "2026-08-28T07:39:02.672Z",
    "dateUpdated": "2026-09-02T06:00:24.102Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-82183\",\"sourceIdentifier\":\"contact@wpscan.com\",\"published\":\"2026-09-02T06:17:19.987\",\"lastModified\":\"2026-09-02T06:17:19.987\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The OAuth Single Sign On  WordPress plugin before 7.0.1 does not verify the identity assertion returned by its Steam single sign-on flow, allowing unauthenticated attackers to log in as an arbitrary non-administrator user, and to create new accounts.\"}],\"affected\":[{\"source\":\"contact@wpscan.com\",\"affectedData\":[{\"vendor\":\"Unknown\",\"product\":\"OAuth Single Sign On\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"6.25.0\",\"lessThan\":\"7.0.1\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://wpscan.com/vulnerability/bc7c18f2-4e8c-47a3-a972-6162fd27aaca/\",\"source\":\"contact@wpscan.com\"}]}}"
  }
}



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Sightings

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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.