erolsk8 Media Sync Plugin up to 1.4.9 on WordPress sub_dir/media_items path traversal

Summaryinfo

A vulnerability identified as critical has been detected in erolsk8 Media Sync Plugin up to 1.4.9 on WordPress. Impacted is an unknown function. This manipulation of the argument sub_dir/media_items causes path traversal. This vulnerability is handled as CVE-2026-6670. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in erolsk8 Media Sync Plugin up to 1.4.9 on WordPress. It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation of the argument sub_dir/media_items with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality. The summary by CVE is:

The Media Sync plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.4.9 via the 'sub_dir' and 'media_items' parameters. This is due to insufficient validation of user-supplied file paths, which are not checked for directory traversal sequences or restricted to the intended uploads directory. This makes it possible for authenticated attackers, with Author-level access and above, to perform actions on files outside of the originally intended directory.

The weakness was released by Drew Webber. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-6670 since 04/20/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/14/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• erolsk8

Name

• Media Sync Plugin

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5
• 1.4.6
• 1.4.7
• 1.4.8
• 1.4.9

CPE 2.3info

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• 🔒
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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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