What is CVE-2023-48207?

CVE-2023-48207 is a high-severity vulnerability in Phpjabbers Availability Booking Calendar, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.8/10. Published 2023-12-07.

How severe is CVE-2023-48207?

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

Vulnerability in Phpjabbers Availability Booking Calendar

CVE-2023-48207

Availability Booking Calendar 5.0 allows CSV injection via the unique ID field in the Reservations list component.

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 (66.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% 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 Availability Booking Calendar — versions 5.0

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

packetstormsecurity.com/files/175804 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2023-48207?: CVE-2023-48207 is a high-severity vulnerability in Phpjabbers Availability Booking Calendar, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 8.8/10. Published 2023-12-07.
How severe is CVE-2023-48207?: High severity. CVSS v3 base score is 8.8 out of 10.