A Stored Cross-Site Scripting (XSS) vulnerability exists in Vtiger CRM Open Source Edition v8.3.0, exploitable via the Services Import feature. An attacker can craft a malicious CSV file containing an XSS payload, mapped to the Service Name field. When the file is uploaded, the application improperly sanitizes user input, leading to persistent script execution.
CVE ID: CVE-2025-45755
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vendor: n/a
Product: n/a
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.1% (scored less or equal to compared to others)
EPSS Date: 2025-06-19 (when was this score calculated)