What is CVE-2023-48841?

CVE-2023-48841 is a high-severity vulnerability in Phpjabbers Appointment Scheduler, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2023-12-07.

How severe is CVE-2023-48841?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Phpjabbers Appointment Scheduler

CVE-2023-48841

Appointment Scheduler 3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.

Published 2023-12-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Phpjabbers Appointment Scheduler — versions 3.0

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

www.phpjabbers.com/appointment-scheduler/ (Product)
packetstormsecurity.com/files/176058 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48841?: CVE-2023-48841 is a high-severity vulnerability in Phpjabbers Appointment Scheduler, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2023-12-07.
How severe is CVE-2023-48841?: High severity. CVSS v3 base score is 8.8 out of 10.