GHSA-3RQ5-WPH4-P3MG

Vulnerability from github – Published: 2026-07-17 09:31 – Updated: 2026-07-17 09:31
VLAI
Details

The HubSpot All-In-One Marketing – Forms, Popups, Live Chat plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.3.62 via the wp_localize_script() / window.leadinConfig JavaScript object. This makes it possible for authenticated attackers, with contributor-level access and above, to extract the site's plaintext HubSpot OAuth refresh token exposed via the window.leadinConfig JavaScript object, which can then be used to access or modify data in the connected HubSpot tenant. Although the refresh token is stored at rest with AES-256-CTR encryption, decryption occurs server-side before the plaintext value is passed to wp_localize_script(), rendering the at-rest encryption ineffective against this exposure path.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-9656"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-17T08:16:59Z",
    "severity": "MODERATE"
  },
  "details": "The HubSpot All-In-One Marketing \u2013 Forms, Popups, Live Chat plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.3.62 via the wp_localize_script() / window.leadinConfig JavaScript object. This makes it possible for authenticated attackers, with contributor-level access and above, to extract the site\u0027s plaintext HubSpot OAuth refresh token exposed via the window.leadinConfig JavaScript object, which can then be used to access or modify data in the connected HubSpot tenant. Although the refresh token is stored at rest with AES-256-CTR encryption, decryption occurs server-side before the plaintext value is passed to wp_localize_script(), rendering the at-rest encryption ineffective against this exposure path.",
  "id": "GHSA-3rq5-wph4-p3mg",
  "modified": "2026-07-17T09:31:21Z",
  "published": "2026-07-17T09:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9656"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/leadin/tags/11.3.45/public/admin/class-adminconstants.php#L190"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/leadin/tags/11.3.45/public/admin/class-gutenberg.php#L44"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/leadin/tags/11.3.45/public/auth/class-oauth.php#L46"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/leadin/tags/11.3.45/public/class-assetsmanager.php#L150"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fleadin/tags/11.3.62\u0026new_path=%2Fleadin/tags/11.3.64"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/718d7ea3-d8ba-46a0-9ab1-72657bd82c17?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:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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