CVE-2025-13725 Gutenberg Thim Blocks <= 1.0.1 - Authenticated (Contributor+) Arbitrary File Read via 'iconSVG' Parameter
Authenticated contributors can read arbitrary server files via the iconSVG parameter in the Thim Blocks plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13725?
CVE-2025-13725 is a medium-severity path traversal vulnerability in thimpress Thim Blocks, published on 17 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2025-13725?
How do I fix CVE-2025-13725?
No fix has been published for CVE-2025-13725 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-13725 being exploited?
There is no known exploitation of CVE-2025-13725 in the wild and no public exploit code.
Sources
Also known as GHSA-f4rc-5m89-x55r.