A stored cross-site scripting vulnerability in the Sources UI in Proofpoint Threat Response/ Threat Response Auto Pull (PTR/TRAP) could allow an authenticated administrator on an adjacent network to replace the image file with an arbitrary MIME type. This could result in arbitrary javascript code execution in an admin context. All versions prior to 5.10.0 are affected.
Conclusion & alert: CVE-2023-2819 is rated Low Risk (23.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.25%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.07% | 0.25% | +0.18% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2023-06-15 | — | 0.04% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
1.2 | 2.7 | [email protected] |
| 4.3 | 3.1 | MEDIUM |
|
1.2 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| proofpoint | threat_response_auto_pull | < 5.10.0 | cpe:2.3:a:proofpoint:threat_response_auto_pull:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0002 | Vendor Advisory |