CVE-2026-2028: CWE-639 Authorization Bypass Through User-Controlled Key in ckp267 MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites
The MaxiBlocks Builder WordPress plugin up to version 2. 1. 8 contains a vulnerability that allows authenticated users with Author-level access or higher to delete arbitrary media files in the wp-content/uploads directory. This occurs due to insufficient validation of file ownership in the 'maxi_remove_custom_image_size' AJAX action. The vulnerability does not impact confidentiality or availability but allows integrity compromise through unauthorized file deletion.
AI Analysis
Technical Summary
CVE-2026-2028 is an authorization bypass vulnerability (CWE-639) in the MaxiBlocks Builder plugin for WordPress. Authenticated users with Author-level privileges or above can exploit insufficient file ownership validation in the 'maxi_remove_custom_image_size' AJAX action to delete arbitrary files within the wp-content/uploads directory, including files owned by other users and administrators. This vulnerability affects all versions up to and including 2.1.8. The CVSS 3.1 base score is 5.3 (medium severity), reflecting the impact on integrity without affecting confidentiality or availability. No official patch or remediation guidance has been published by the vendor as of the data provided.
Potential Impact
The vulnerability allows authenticated users with Author-level access or higher to delete arbitrary media files uploaded by other users or administrators, impacting data integrity within the WordPress uploads directory. There is no indication of confidentiality or availability impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Author-level access to trusted users only and monitor for suspicious file deletion activity. Avoid granting Author or higher privileges to untrusted users. No official patch or temporary fix has been provided as of the current information.
CVE-2026-2028: CWE-639 Authorization Bypass Through User-Controlled Key in ckp267 MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites
Description
The MaxiBlocks Builder WordPress plugin up to version 2. 1. 8 contains a vulnerability that allows authenticated users with Author-level access or higher to delete arbitrary media files in the wp-content/uploads directory. This occurs due to insufficient validation of file ownership in the 'maxi_remove_custom_image_size' AJAX action. The vulnerability does not impact confidentiality or availability but allows integrity compromise through unauthorized file deletion.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-2028 is an authorization bypass vulnerability (CWE-639) in the MaxiBlocks Builder plugin for WordPress. Authenticated users with Author-level privileges or above can exploit insufficient file ownership validation in the 'maxi_remove_custom_image_size' AJAX action to delete arbitrary files within the wp-content/uploads directory, including files owned by other users and administrators. This vulnerability affects all versions up to and including 2.1.8. The CVSS 3.1 base score is 5.3 (medium severity), reflecting the impact on integrity without affecting confidentiality or availability. No official patch or remediation guidance has been published by the vendor as of the data provided.
Potential Impact
The vulnerability allows authenticated users with Author-level access or higher to delete arbitrary media files uploaded by other users or administrators, impacting data integrity within the WordPress uploads directory. There is no indication of confidentiality or availability impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict Author-level access to trusted users only and monitor for suspicious file deletion activity. Avoid granting Author or higher privileges to untrusted users. No official patch or temporary fix has been provided as of the current information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-02-05T21:46:52.497Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69eaec2d87115cfb68c0d92e
Added to database: 4/24/2026, 4:06:05 AM
Last enriched: 4/24/2026, 4:21:48 AM
Last updated: 4/24/2026, 5:47:55 AM
Views: 3
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