Advisory 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 processing of XLS files. The issue results from allowing the execution of dangerous script without user warning. An attacker can leverage this vulnerability to execute code in the context of the current user.

07/10/25 - ZDI reported the vulnerability to the vendor
07/17/25 – the vendor acknowledged the receipt of the report
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

• 2025-07-10 - Vulnerability reported to vendor
• 2025-12-11 - Coordinated public release of advisory
• 2025-12-11 - Advisory Updated