Gutenberg Thim Blocks Plugin up to 1.0.1 on WordPress iconSVG path traversal

Summaryinfo

A vulnerability was found in Gutenberg Thim Blocks Plugin up to 1.0.1 on WordPress. It has been classified as critical. This affects an unknown function. The manipulation of the argument iconSVG leads to path traversal. This vulnerability is documented as CVE-2025-13725. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Gutenberg Thim Blocks Plugin up to 1.0.1 on WordPress and classified as critical. This issue affects an unknown code block. The manipulation of the argument iconSVG with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

The Gutenberg Thim Blocks – Page Builder, Gutenberg Blocks for the Block Editor plugin for WordPress is vulnerable to arbitrary file reads in all versions up to, and including, 1.0.1. This is due to insufficient path validation in the server-side rendering of the thim-blocks/icon block. This makes it possible for authenticated attackers, with Contributor-level access and above, to read the contents of arbitrary files on the server via the 'iconSVG' parameter, which can contain sensitive information such as wp-config.php.

It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2025-13725. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/18/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3153). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Gutenberg Thim Blocks Plugin

Version

• 1.0.0
• 1.0.1

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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