Magic Login Mail or QR Code <= 2.05 - Unauthenticated Privilege Escalation via Insecure QR Code File Storage

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Summary

CVECVE-2026-2144
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-14 05:16:21 UTC
Updated2026-04-08 18:25:53 UTC
DescriptionThe Magic Login Mail or QR Code plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.05. This is due to the plugin storing the magic login QR code image with a predictable, static filename (QR_Code.png) in the publicly accessible WordPress uploads directory during the email sending process. The file is only deleted after wp_mail() completes, creating an exploitable race condition window. This makes it possible for unauthenticated attackers to trigger a login link request for any user, including administrators, and then exploit the race condition between QR code file creation and deletion to obtain the login URL encoded in the QR code, thereby gaining unauthorized access to the targeted user's account.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

EPSS: 0.000990000 probability, percentile 0.271190000 (date 2026-04-08)

Problem Types: CWE-269 | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Katsushi-kawamori Magic Login Mail Or QR Code affected 2.05 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/65066a17-653b-4444-9bd0-894ea... [email protected] www.wordfence.com
plugins.trac.wordpress.org/changeset/3460417 [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/magic-login-mail/trunk/lib/class-magicloginmail.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/magic-login-mail/trunk/lib/class-magicloginmail.php [email protected] plugins.trac.wordpress.org
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: ifoundbug (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-02-13T16:21:07.000ZDisclosed
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