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CVE-2026-12416— Invoice Generator <= 1.0.0 - Unauthenticated Account Takeover via Weak Password Reset Validation via 'reset_user_id' Parameter

Quick assessment

Affected
pravel Invoice Generator
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.

pravel Invoice Generator是pravel个人开发者的一款发票生成软件。 pravel Invoice Generator 1.0.0及之前版本存在授权问题漏洞，该漏洞源于pravel_invoice_change_password()函数被注册为nopriv AJAX处理程序且未进行nonce验证和授权检查，并对reset_activation_code POST参数和目标用户存储的forgot_email用户元数据执行宽松相等比较，导致未授权的攻击者可通过reset_user_id

CVSS 9.8 · Critical EPSS 0.67% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
pravel Invoice Generator ≤ 1.0.0 affected
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I. Basic Information for CVE-2026-12416

Vulnerability Information
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Vulnerability Title
Invoice Generator <= 1.0.0 - Unauthenticated Account Takeover via Weak Password Reset Validation via 'reset_user_id' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Invoice Generator plugin for WordPress is vulnerable to Account Takeover via Password Reset in all versions up to, and including, 1.0.0. This is due to the `pravel_invoice_change_password()` function being registered as a nopriv AJAX handler with no nonce verification and no authorization check, and performing a loose equality comparison between the supplied `reset_activation_code` POST parameter and the target user's stored `forgot_email` user meta — a check that trivially evaluates to true (`'' == ''`) for any user who has never initiated a forgot-password request, which applies to administrators under normal conditions. This makes it possible for unauthenticated attackers to supply an arbitrary user ID via the `reset_user_id` POST parameter, bypass the activation code check entirely by omitting `reset_activation_code`, and set the target account's password to an attacker-chosen value, enabling full takeover of any account on the site, including administrator accounts.
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
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
pravel Invoice Generator 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pravel Invoice Generator是pravel个人开发者的一款发票生成软件。 pravel Invoice Generator 1.0.0及之前版本存在授权问题漏洞，该漏洞源于pravel_invoice_change_password()函数被注册为nopriv AJAX处理程序且未进行nonce验证和授权检查，并对reset_activation_code POST参数和目标用户存储的forgot_email用户元数据执行宽松相等比较，导致未授权的攻击者可通过reset_user_id
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
pravel Invoice Generator 0 ~ 1.0.0 -

II. Public POCs for CVE-2026-12416

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III. Intelligence Information for CVE-2026-12416

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Patches & Fixes for CVE-2026-12416 (2)

Security Blog Posts for CVE-2026-12416 (1)

Other References for CVE-2026-12416 (1)

IV. Related Vulnerabilities

Same product: Invoice Generator
Same vendor: pravel
Same weakness: CWE-640