Intel

AIKIDO-2025-10263

tecnick.com/tcpdf is vulnerable to Path Traversal

Path Traversal Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Apr 22, 2025

60

Medium Risk

This Affects:

PHPtecnick.com/tcpdf
6.0.013 - 6.9.0
Fixed in 6.9.1
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TL;DR

Affected versions of this package are vulnerable to directory traversal due to insufficient sanitization in the openHTMLTagHandler function when processing <img> tags. An attacker can exploit this by crafting malicious image tag attributes that traverse directories and access unauthorized files.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

tecnick.com/tcpdf is vulnerable to Path Traversal in versions 6.0.013 - 6.9.0.

How to fix this

Upgrade the tecnick.com/tcpdf library to the patch version.