CVE-2026-2028Network attack vector

Cross-user media deletion via unchecked ownership

Published Apr 24, 2026 · Updated Apr 24, 2026

Missing authorization in MaxiBlocks Builder 2.1.8 and earlier allows remote authenticated users to delete other users' media files. maxi_remove_custom_image_size accepts old_media_src and passes its normalized uploads path to file deletion without verifying attachment ownership. Author-level access is required; deletion is limited to wp-content/uploads files, including administrator-owned media.

CVSS severity5.3
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in MaxiBlocks Builder 2.1.8 and earlier allows remote authenticated users to delete other users' media files. maxi_remove_custom_image_size accepts old_media_src and passes its normalized uploads path to file deletion without verifying attachment ownership. Author-level access is required; deletion is limited to wp-content/uploads files, including administrator-owned media.

The record

CVE
CVE-2026-2028
Published
Apr 24, 2026
Updated
Apr 24, 2026
Vendor
Christiaan Pieterse
Product
MaxiBlocks Builder
Classifications
CWE-639, T1485
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.1.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Christiaan Pieterse · MaxiBlocks Builderversion=0 <=2.1.8

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1485Data Destruction

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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