Advisory Details

December 11th, 2025

(0Day) pdfforge PDF Architect CBZ File Parsing Directory Traversal Remote Code Execution Vulnerability

ZDI-25-1077
ZDI-CAN-27514

CVE ID CVE-2025-14420
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS pdfforge
AFFECTED PRODUCTS PDF Architect
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of CBZ files. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the current user.

ADDITIONAL DETAILS

08/12/25 - ZDI reported the vulnerability to the vendor
09/24/25 - ZDI asked for updates
11/10/25 - ZDI asked for updates
12/05/25 – ZDI notified the vendor of the intention to publish the case as a 0-day advisory on 12/11/25

-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product


DISCLOSURE TIMELINE
  • 2025-08-12 - Vulnerability reported to vendor
  • 2025-12-11 - Coordinated public release of advisory
  • 2025-12-11 - Advisory Updated
CREDIT kimiya
BACK TO ADVISORIES