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CVE-2026-2028

Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter

Published: Apr 24, 2026Updated: Apr 24, 2026 Sources: CVE List
NVD MITRE
5.3CVSS
MEDIUM

The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-639CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites
ckp267

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/f50c31df-56d0-4c34-a93c-56198fe91b36?source=cve
wordfence.com
https://plugins.trac.wordpress.org/browser/maxi-blocks/trunk/core/class-maxi-image-crop.php#L44
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/maxi-blocks/tags/2.1.7/core/class-maxi-image-crop.php#L44
plugins.trac.wordpress.org
and 3 more references View all →

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