MDJM Event Management <= 1.7.8.3 - Authenticated (Administrator+) Arbitrary File Upload via 'mdjm_email_upload_file' Parameter

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Summary

CVECVE-2026-7537
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-06 04:17:32 UTC
Updated2026-06-08 14:57:14 UTC
DescriptionThe MDJM Event Management plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.7.8.3 via the mdjm_send_comm_email function. This is due to no file type, extension, or MIME type validation being performed on uploaded files. This makes it possible for authenticated attackers, with administrator-level access and above, to upload files that may be executable, which makes remote code execution possible.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

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

EPSS: 0.004710000 probability, percentile 0.651590000 (date 2026-06-14)

Problem Types: CWE-434 | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mdjm MDJM Event Management affected 1.7.8.3 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/mobile-dj-manager/tags/1.7.8.2/includes/admin/communi... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/42f37a41-deff-4b17-94d8-4e0fd... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/mobile-dj-manager/tags/1.7.8.2/includes/admin/communi... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/mobile-dj-manager/tags/1.7.8.3/includes/admin/communi... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/mobile-dj-manager/tags/1.7.8.3/includes/admin/communi... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/mobile-dj-manager/trunk/includes/admin/communications... [email protected] plugins.trac.wordpress.org
ryankozak.com/posts/cve-2026-7537 [email protected] ryankozak.com
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/mobile-dj-manager/trunk/includes/admin/communications... [email protected] plugins.trac.wordpress.org
github.com/d0n601/CVE-2026-7537 [email protected] github.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: Ryan Kozak (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-30T18:35:45.000ZVendor Notified
CNA2026-06-05T14:20:11.000ZDisclosed
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