Vulnerability-Lookup

CVE-2026-3445 (GCVE-0-2026-3445)

Vulnerability from cvelistv5 – Published: 2026-04-04 08:25 – Updated: 2026-04-08 17:15

Title

Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress <= 4.16.11 - Missing Authorization to Authenticated (Subscriber+) Membership Payment Bypass

Summary

The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the `change_plan_sub_id` parameter in the `process_checkout()` function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user's active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the `ppress_process_checkout` AJAX action.

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-06 17:51 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Wordfence CNA under the mitre root

CNA scorecard C 65/100 over 2362 records in the last 180 days details

References

2 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/changeset?sfp_…

Impacted products

1 product

Vendor	Product	Version	CPE status
properfraction	Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress	Affected: 0 , ≤ 4.16.11 (semver)	guessed

Credits

Supakiad S.

Show details on NVD website

JSON

To clipboard

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          }
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      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3445.json",
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}

FKIE_CVE-2026-3445

Vulnerability from fkie_nvd - Published: 2026-04-04 09:16 - Updated: 2026-07-21 19:10

Severity

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

Summary

References

	URL	Tags
	security@wordfence.com	https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3474509%40wp-user-avatar%2Ftrunk&old=3473639%40wp-user-avatar%2Ftrunk&sfp_email=&sfph_mail=#file3
	security@wordfence.com	https://www.wordfence.com/threat-intel/vulnerabilities/id/ae1e198b-0c0d-47aa-8a56-ec4e790c8022?source=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile \u0026 Restrict Content \u2013 ProfilePress",
          "vendor": "properfraction",
          "versions": [
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            }
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    }
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    {
      "lang": "en",
      "value": "The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile \u0026 Restrict Content \u2013 ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the `change_plan_sub_id` parameter in the `process_checkout()` function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user\u0027s active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the `ppress_process_checkout` AJAX action."
    },
    {
      "lang": "es",
      "value": "El plugin Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile \u0026 Restrict Content - ProfilePress para WordPress es vulnerable a una elusi\u00f3n de pago de membres\u00eda no autorizada en todas las versiones hasta la 4.16.11, inclusive. Esto se debe a una verificaci\u00f3n de propiedad faltante en el par\u00e1metro \u0027change_plan_sub_id\u0027 en la funci\u00f3n \u0027process_checkout()\u0027. Esto hace posible que atacantes autenticados, con acceso de nivel de suscriptor y superior, hagan referencia a la suscripci\u00f3n activa de otro usuario durante el proceso de pago para manipular los c\u00e1lculos de prorrateo, lo que les permite obtener planes de membres\u00eda de por vida pagados sin pago a trav\u00e9s de la acci\u00f3n AJAX \u0027ppress_process_checkout\u0027."
    }
  ],
  "id": "CVE-2026-3445",
  "lastModified": "2026-07-21T19:10:00.107",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.1,
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          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
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      "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3474509%40wp-user-avatar%2Ftrunk\u0026old=3473639%40wp-user-avatar%2Ftrunk\u0026sfp_email=\u0026sfph_mail=#file3"
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  ]
}

GHSA-986F-M5HR-MCQP

Vulnerability from github – Published: 2026-04-04 09:30 – Updated: 2026-04-04 09:30

Details

The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content – ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the change_plan_sub_id parameter in the process_checkout() function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user's active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the ppress_process_checkout AJAX action.

Severity

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-3445"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-04T09:16:20Z",
    "severity": "HIGH"
  },
  "details": "The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile \u0026 Restrict Content \u2013 ProfilePress plugin for WordPress is vulnerable to unauthorized membership payment bypass in all versions up to, and including, 4.16.11. This is due to a missing ownership verification on the `change_plan_sub_id` parameter in the `process_checkout()` function. This makes it possible for authenticated attackers, with subscriber level access and above, to reference another user\u0027s active subscription during checkout to manipulate proration calculations, allowing them to obtain paid lifetime membership plans without payment via the `ppress_process_checkout` AJAX action.",
  "id": "GHSA-986f-m5hr-mcqp",
  "modified": "2026-04-04T09:30:25Z",
  "published": "2026-04-04T09:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3445"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3474509%40wp-user-avatar%2Ftrunk\u0026old=3473639%40wp-user-avatar%2Ftrunk\u0026sfp_email=\u0026sfph_mail=#file3"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ae1e198b-0c0d-47aa-8a56-ec4e790c8022?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
      "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-3445 (GCVE-0-2026-3445)

FKIE_CVE-2026-3445

GHSA-986F-M5HR-MCQP

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour