CVE-2025-44137: tileserver php Path Traversal — Exploit

Description

MapTiler Tileserver-php v2.0 is vulnerable to Directory Traversal. The renderTile function within tileserver.php is responsible for delivering tiles that are stored as files on the server via web request. Creating the path to a file allows the insertion of "../" and thus read any file on the web server. Affected GET parameters are "TileMatrix", "TileRow", "TileCol" and "Format"

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
maptiler	tileserver_php	All

References

Exploits

https://github.com/maptiler/tileserver-php/issues/167 https://github.com/mheranco/CVE-2025-44137

Other References

https://github.com/maptiler/tileserver-php/commit/4fe14e6164bbe2a3f9e3b3d7acf303e3ec210c8e

Frequently Asked Questions

What is CVE-2025-44137? +

MapTiler Tileserver-php v2.0 is vulnerable to Directory Traversal. The renderTile function within tileserver.php is responsible for delivering tiles that are stored as files on the server via web request. Creating the path to a file allows the insertion of "../" and thus read any file on the web server. Affected GET parameters are "TileMatrix", "TileRow", "TileCol" and "Format" It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-44137? +

CVE-2025-44137 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-44137? +

CVE-2025-44137 affects products from maptiler, specifically: tileserver_php. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-44137? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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