PHPJabbers Meeting Room Booking System v1.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.
Conclusion & alert: CVE-2023-51336 is rated Moderate Risk (46.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.14%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-04-02 | 0.18% | 0.14% | -0.04% |
| 2 | 2026-04-01 | 0.10% | 0.18% | +0.08% |
| 3 | 2026-03-31 | — | 0.10% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpjabbers | meeting_room_booking_system | 1.0 | cpe:2.3:a:phpjabbers:meeting_room_booking_system:1.0:*:*:*:*:*:*:* |