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

Summary

CVECVE-2026-12416
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 07:16:26 UTC
Updated2026-06-25 14:16:36 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.003640000 probability, percentile 0.282850000 (date 2026-06-25)

Problem Types: CWE-640 | CWE-640 CWE-640 Weak Password Recovery Mechanism for Forgotten Password


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Pravel Invoice Generator affected 1.0.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/invoice-creator/tags/1.0.0/lib/user-manage-function.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/invoice-creator/tags/1.0.0/lib/user-manage-function.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/invoice-creator/tags/1.0.0/lib/user-manage-function.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/cc0fbe84-e455-4e62-9c48-49340... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Alyudin Nafiie (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-23T16:37:37.000ZDisclosed
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