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2 vulnerabilities found for WP OAuth Server ( Login with WordPress ) by Unknown

CVE-2026-82843 (GCVE-0-2026-82843)
Vulnerability from cvelistv5
Published
2026-09-23 06:00
Modified
2026-09-23 10:58
Severity ?
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE
Summary
The WP OAuth Server ( Login with WordPress ) WordPress plugin before 6.4.0 does not bind the OpenID Connect identity assertion it issues to the authorization grant being exchanged, returning instead the assertion belonging to whichever user authenticated most recently, which allows users with the Subscriber role and above to obtain a validly signed identity assertion for another user, including an administrator, and authenticate as them at any application that uses the site for single sign-on.
References
Impacted products
Vendor Product Version
Unknown WP OAuth Server ( Login with WordPress ) Version: 0   ≤
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{
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              "availabilityImpact": "HIGH",
              "baseScore": 9,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
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              "scope": "CHANGED",
              "userInteraction": "REQUIRED",
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-23T10:47:10.118793Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-287",
                "description": "CWE-287 Improper Authentication",
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                "type": "CWE"
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            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-23T10:58:52.218Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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      ],
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T06:00:16.102Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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      },
      "references": [
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          ],
          "url": "https://wpscan.com/vulnerability/45bc7096-5d04-4fe6-a332-31aed507a3a0/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WP OAuth Server \u003c 6.4.0 - Subscriber+ Cross-User Account Takeover via OIDC ID Token Substitution",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-19715 (GCVE-0-2026-19715)
Vulnerability from cvelistv5
Published
2026-08-27 06:00
Modified
2026-08-27 14:23
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
Summary
The WP OAuth Server ( Login with WordPress ) WordPress plugin before 6.3.1 does not restrict access to the debug log it writes, which is stored at a fixed and publicly reachable location, allowing unauthenticated users to read the OAuth tokens and authorisation codes it has issued as well as user records including password hashes when debug logging is enabled.
References
Impacted products
Vendor Product Version
Unknown WP OAuth Server ( Login with WordPress ) Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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            }
          },
          {
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                  },
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-27T14:19:06.746651Z",
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              },
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            }
          }
        ],
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                "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
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                "type": "CWE"
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            ]
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-27T14:23:47.322Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        }
      ],
      "problemTypes": [
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            {
              "description": "CWE-200 Information Exposure",
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            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-27T06:00:18.109Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
        "shortName": "WPScan"
      },
      "references": [
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      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WP OAuth Server \u003c 6.3.1 - Unauthenticated OAuth Token and User Data Disclosure via Debug Log File",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
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