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CVE-2026-15354— ACPT (Premium) <= 2.0.66 - Unauthenticated Privilege Escalation via 'acpt_form_post_id' Parameter

Quick assessment

Affected
Mauro Cassani ACPT (Premium)
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 ACPT (Premium) 插件在包括 2.0.66 在内的所有版本中均存在权限提升漏洞。该漏洞源于 函数中缺少授权检查，使得未认证的用户提交表单时，可以在调用 之前控制目标用户 ID。这使得未认证的 attackers（攻击者）能够覆盖任意 WordPress 用户的电子邮件地址和密码（包括管理员账户），从而接管该账户。成功利用此漏洞需要存在一个允许匿名提交的公开 ACPT 用户表单。

CVSS 9.8 · Critical EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Mauro Cassani ACPT (Premium) ≤ 2.0.66 affected
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I. Basic Information for CVE-2026-15354

Vulnerability Information
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Vulnerability Title
ACPT (Premium) <= 2.0.66 - Unauthenticated Privilege Escalation via 'acpt_form_post_id' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
Mauro Cassani ACPT (Premium) 0 ~ 2.0.66 -

II. Public POCs for CVE-2026-15354

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III. Intelligence Information for CVE-2026-15354

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Security Blog Posts for CVE-2026-15354 (1)

IV. Related Vulnerabilities

Same weakness: CWE-269

V. Comments for CVE-2026-15354

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