ckp267 MaxiBlocks Builder Plugin up to 2.1.8 on WordPress /wp-content/uploads maxi_remove_custom_image_size authorization

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in ckp267 MaxiBlocks Builder Plugin up to 2.1.8 on WordPress and classified as critical. This impacts the function maxi_remove_custom_image_size of the file /wp-content/uploads. Such manipulation leads to authorization. This vulnerability is listed as CVE-2026-2028. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ckp267 MaxiBlocks Builder Plugin up to 2.1.8 on WordPress and classified as critical. Affected by this issue is the function maxi_remove_custom_image_size of the file /wp-content/uploads. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented by Teerachai Somprasong. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-2028 since 02/05/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2.1.7 eliminates this vulnerability. Applying the patch 3dff1db57bfb4e6c14fa7fd42037178d1d0ce199 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Wordfence): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MaxiBlocks Builder Plugin 2.1.7
Patch: 3dff1db57bfb4e6c14fa7fd42037178d1d0ce199

Timelineinfo

02/05/2026 CVE reserved
04/24/2026 +77 days Advisory disclosed
04/24/2026 +0 days VulDB entry created
04/24/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Researcher: Teerachai Somprasong
Status: Confirmed

CVE: CVE-2026-2028 (🔒)
GCVE (CVE): GCVE-0-2026-2028
GCVE (VulDB): GCVE-100-359258

Entryinfo

Created: 04/24/2026 07:37
Changes: 04/24/2026 07:37 (69)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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