Vulnerability-Lookup

CVE-2026-76793 (GCVE-0-2026-76793)

Vulnerability from cvelistv5 – Published: 2026-08-22 06:00 – Updated: 2026-08-23 15:33

Title

Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim

Summary

The Firebase Authentication WordPress plugin before 1.7.1 does not require the email address in an authentication token to be verified before matching it to a WordPress account and issuing a session, allowing unauthenticated attackers to log in as any user, including administrators.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-23 15:26 UTC

CWE

CWE-287 Improper Authentication
CWE-287 - Improper Authentication

Assigner

WPScan mitre root

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/0414ef2b-0d97-41…	exploitvdb-entrytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Unknown	Firebase Authentication	Affected: 0 , < 1.7.1 (semver)	guessed

Credits

Abdullah Kareem WPScan

Show details on NVD website

JSON

To clipboard

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              "attackVector": "NETWORK",
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              "baseScore": 8.1,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
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                "options": [
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                    "Exploitation": "none"
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                  },
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                  }
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                "timestamp": "2026-08-23T15:26:20.515870Z",
                "version": "2.0.3"
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            }
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        "providerMetadata": {
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      }
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          "vendor": "Unknown",
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            {
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              "status": "affected",
              "version": "0",
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            }
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      ],
      "credits": [
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          "type": "finder",
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        },
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      },
      "references": [
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            "exploit",
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://wpscan.com/vulnerability/0414ef2b-0d97-41c7-9146-f31ace8b66b2/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Firebase Authentication \u003c 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
    "assignerShortName": "WPScan",
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    "datePublished": "2026-08-22T06:00:17.419Z",
    "dateReserved": "2026-08-19T17:55:46.564Z",
    "dateUpdated": "2026-08-23T15:33:41.354Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
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      "date": "2026-08-23",
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      "percentile": "0.1068"
    },
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}

FKIE_CVE-2026-76793

Vulnerability from fkie_nvd - Published: 2026-08-22 06:16 - Updated: 2026-08-22 06:16

Severity

Summary

References

	URL	Tags
	contact@wpscan.com	https://wpscan.com/vulnerability/0414ef2b-0d97-41c7-9146-f31ace8b66b2/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Firebase Authentication",
          "vendor": "Unknown",
          "versions": [
            {
              "lessThan": "1.7.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "contact@wpscan.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Firebase Authentication WordPress plugin before 1.7.1 does not require the email address in an authentication token to be verified before matching it to a WordPress account and issuing a session, allowing unauthenticated attackers to log in as any user, including administrators."
    }
  ],
  "id": "CVE-2026-76793",
  "lastModified": "2026-08-22T06:16:16.900",
  "metrics": {},
  "published": "2026-08-22T06:16:16.900",
  "references": [
    {
      "source": "contact@wpscan.com",
      "url": "https://wpscan.com/vulnerability/0414ef2b-0d97-41c7-9146-f31ace8b66b2/"
    }
  ],
  "sourceIdentifier": "contact@wpscan.com",
  "vulnStatus": "Received"
}

GHSA-3HQ2-MP89-6VP5

Vulnerability from github – Published: 2026-08-22 06:31 – Updated: 2026-08-22 06:31

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-76793"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-22T06:16:16Z",
    "severity": null
  },
  "details": "The Firebase Authentication WordPress plugin before 1.7.1 does not require the email address in an authentication token to be verified before matching it to a WordPress account and issuing a session, allowing unauthenticated attackers to log in as any user, including administrators.",
  "id": "GHSA-3hq2-mp89-6vp5",
  "modified": "2026-08-22T06:31:28Z",
  "published": "2026-08-22T06:31:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76793"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/0414ef2b-0d97-41c7-9146-f31ace8b66b2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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.

Action not permitted

CVE-2026-76793 (GCVE-0-2026-76793)

FKIE_CVE-2026-76793

GHSA-3HQ2-MP89-6VP5

Tags

Sightings

Nomenclature