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CVE-2026-85659— PilotPress <= 2.0.43 - Authenticated (Subscriber+) Privilege Escalation via Account Takeover via 'username' Parameter

Quick assessment

Affected
ontraport PilotPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 PilotPress 插件在所有 2.0.43 及以下版本中，存在因账户接管导致的权限提升漏洞。该漏洞的成因在于： AJAX 处理器在调用本地 进行用户名冲突检查之前，先将攻击者提供的 参数通过 转发至 ONTRAPORT；当检测到冲突时，该处理器直接中止流程，却未回滚此前在远程 ONTRAPORT 系统中执行的重命名操作，导致远程 ONTRAPORT 联系人被重命名为与现有 WordPress 管理员登录名相同的名称。 在随后的登录尝试中， （已钩入 ）会使用被重命名的登录名及攻击者自身的

CVSS 8.8 · High
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I. Basic Information for CVE-2026-85659

Vulnerability Information
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Vulnerability Title
PilotPress <= 2.0.43 - Authenticated (Subscriber+) Privilege Escalation via Account Takeover via 'username' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The PilotPress plugin for WordPress is vulnerable to Privilege Escalation via Account Takeover in all versions up to, and including, 2.0.43. The vulnerability exists because the `update_cc_details()` AJAX handler forwards an attacker-supplied `username` parameter to ONTRAPORT via `api_call('update_cc_details', ...)` before performing the local `username_exists()` collision check, and aborts without rolling back the remote rename when a collision is detected — leaving the remote ONTRAPORT contact renamed to an existing WordPress Administrator's login. On a subsequent login attempt, `user_login()` (hooked to `wp_authenticate`) authenticates against ONTRAPORT using the renamed login and the attacker's own password, resolves the local WordPress user row via `get_user_by('login', $username)` — which now selects the real Administrator's row — and calls `wp_set_password()` against that Administrator's user ID; because the `user_level != 10` guard only suppresses PilotPress's own cookie issuance rather than returning a `WP_Error` to core, WordPress proceeds to validate the newly-synchronized password and issues a full Administrator authentication cookie to the attacker. This makes it possible for authenticated attackers with Subscriber-level access and above — specifically any PilotPress member holding a valid ONTRAPORT contact and the Customer Center nonce — to fully take over an Administrator account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ontraport PilotPress 0 ~ 2.0.43 -

II. Public POCs for CVE-2026-85659

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III. Intelligence Information for CVE-2026-85659

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Patches & Fixes for CVE-2026-85659 (1)

Vendor Advisories for CVE-2026-85659 (1)

Vendor Pages for CVE-2026-85659 (2)

Other References for CVE-2026-85659 (2)

IV. Related Vulnerabilities

Same product: PilotPress
Same vendor: ontraport
Same weakness: CWE-269

V. Comments for CVE-2026-85659

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