What is CVE-2025-25221?

CVE-2025-25221 is a critical-severity vulnerability in Luxsoft Luxcal Web Calendar, classified under SQL Injection. CVSS score: 9.8/10. Published 2025-02-18.

How severe is CVE-2025-25221?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Luxsoft Luxcal Web Calendar

CVE-2025-25221

The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains an SQL injection vulnerability in pdf.php. If this vulnerability is exploited, information in a database may be deleted, altered, or retrieved.

Vulnerability class: SQL Injection

Published 2025-02-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Luxsoft Luxcal Web Calendar
Luxsoft The Luxcal Web Calendar — versions prior to 5.3.3M (MySQL version), prior to 5.3.3L (SQLite version)

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.luxsoft.eu/ (Product)
www.luxsoft.eu/lcforum/viewtopic.php (Release Notes)
jvn.jp/en/jp/JVN26024080/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-25221?: CVE-2025-25221 is a critical-severity vulnerability in Luxsoft Luxcal Web Calendar, classified under SQL Injection. CVSS score: 9.8/10. Published 2025-02-18.
How severe is CVE-2025-25221?: Critical severity. CVSS v3 base score is 9.8 out of 10.