Description
A HTML injection vulnerability exists in Perfex CRM v3.3.1. The application fails to sanitize user input in the "Bill To" address field within the estimate module. As a result, arbitrary HTML can be injected and rendered unescaped in client-facing documents.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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ajansha/CVE-2025-55903 ★ 0 · Oct 9, 2025
CVE-2025-55903 — Stored HTML Injection in PerfexCRM < 3.3.1 (Invoice/Client Communication)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.