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Description

The 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.

PUBLISHED Reserved 2026-04-30 | Published 2026-06-06 | Updated 2026-06-06 | Assigner Wordfence




HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-434 Unrestricted Upload of File with Dangerous Type

Product status

Default status
unaffected

Any version
affected

Timeline

2026-04-30:Vendor Notified
2026-06-05:Disclosed

Credits

Ryan Kozak finder

References

www.wordfence.com/...-deff-4b17-94d8-4e0fd1ce22c2?source=cve

plugins.trac.wordpress.org/...unications/comms-functions.php

plugins.trac.wordpress.org/...unications/comms-functions.php

plugins.trac.wordpress.org/...unications/comms-functions.php

plugins.trac.wordpress.org/...unications/comms-functions.php

plugins.trac.wordpress.org/...unications/comms-functions.php

plugins.trac.wordpress.org/...unications/comms-functions.php

github.com/d0n601/CVE-2026-7537

ryankozak.com/posts/cve-2026-7537/

plugins.trac.wordpress.org/...-manager&sfp_email=&sfph_mail=

cve.org (CVE-2026-7537)

nvd.nist.gov (CVE-2026-7537)

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