Vulnerability-Lookup

CVE-2026-15354 (GCVE-0-2026-15354)

Vulnerability from cvelistv5 – Published: 2026-09-04 06:40 – Updated: 2026-09-04 18:36

Title

ACPT (Premium) <= 2.0.66 - Unauthenticated Privilege Escalation via 'acpt_form_post_id' Parameter

Summary

The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user's email address and password, including an administrator's, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 18:36 UTC

CWE

CWE-269 - Improper Privilege Management

Assigner

Wordfence mitre root

References

2 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://acpt.io/changelog/

Impacted products

1 product

Vendor	Product	Version	CPE status
Mauro Cassani	ACPT (Premium)	Affected: 0 , ≤ 2.0.66 (semver)	guessed

Credits

d.v4n_s3c

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-15354

Vulnerability from fkie_nvd - Published: 2026-09-04 07:17 - Updated: 2026-09-04 19:17

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security@wordfence.com	https://acpt.io/changelog/
	security@wordfence.com	https://www.wordfence.com/threat-intel/vulnerabilities/id/abc138f5-0bb7-4ce3-a504-89580021bedb?source=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "ACPT (Premium)",
          "vendor": "Mauro Cassani",
          "versions": [
            {
              "lessThanOrEqual": "2.0.66",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user\u0027s email address and password, including an administrator\u0027s, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions."
    }
  ],
  "id": "CVE-2026-15354",
  "lastModified": "2026-09-04T19:17:22.257",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "security@wordfence.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "role": "CISA Coordinator",
          "timestamp": "2026-09-04T18:36:22.174605Z",
          "version": "2.0.3"
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  "published": "2026-09-04T07:17:08.487",
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    },
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  "sourceIdentifier": "security@wordfence.com",
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      ],
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      "type": "Secondary"
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  ]
}

GHSA-5GPH-5GJX-7RG9

Vulnerability from github – Published: 2026-09-04 09:31 – Updated: 2026-09-04 09:31

Details

The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the submit() function, which allows unauthenticated form submissions to control the target user ID before calling wp_update_user(). This makes it possible for unauthenticated attackers to overwrite any WordPress user's email address and password, including an administrator's, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-15354"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T07:17:08Z",
    "severity": "CRITICAL"
  },
  "details": "The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user\u0027s email address and password, including an administrator\u0027s, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.",
  "id": "GHSA-5gph-5gjx-7rg9",
  "modified": "2026-09-04T09:31:57Z",
  "published": "2026-09-04T09:31:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15354"
    },
    {
      "type": "WEB",
      "url": "https://acpt.io/changelog"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/abc138f5-0bb7-4ce3-a504-89580021bedb?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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-2026-15354 (GCVE-0-2026-15354)

FKIE_CVE-2026-15354

GHSA-5GPH-5GJX-7RG9

Tags

Sightings

Nomenclature