How severe is CVE-2025-25221?

CVE-2025-25221 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-25221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25221?

CVE-2025-25221 primarily affects Luxsoft Luxcal Web Calendar. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-25221?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-25221 have an EU (EUVD) identifier?

Yes. CVE-2025-25221 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4854.

When was CVE-2025-25221 published?

CVE-2025-25221 was published on 2025-02-18 and last updated on 2026-06-17.

CVE-2025-25221

CVE-2025-25221 is a critical-severity vulnerability in Luxsoft Luxcal Web Calendar with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4854
Weakness: CWE-89
Affected product: Luxsoft Luxcal Web Calendar
Published: 2025-02-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-25221?: CVE-2025-25221 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-25221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25221?: CVE-2025-25221 primarily affects Luxsoft Luxcal Web Calendar. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-25221?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-25221 have an EU (EUVD) identifier?: Yes. CVE-2025-25221 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4854.
When was CVE-2025-25221 published?: CVE-2025-25221 was published on 2025-02-18 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:luxsoft:luxcal_web_calendar:*:*:sqlite:*:*:*:*:*
cpe:2.3:a:luxsoft:luxcal_web_calendar:*:*:mysql:*:*:*:*:*

More vulnerabilities in Luxsoft Luxcal Web Calendar

CVE-2025-25222 — Critical (CVSS 9.8): The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains an SQL injection…
CVE-2023-46700 — Critical (CVSS 9.8): SQL injection vulnerability in LuxCal Web Calendar prior to 5.2.4M (MySQL version) and LuxCal Web Calendar prior to…
CVE-2023-39939 — Critical (CVSS 9.1): SQL injection vulnerability in LuxCal Web Calendar prior to 5.2.3M (MySQL version) and LuxCal Web Calendar prior to…
CVE-2025-25224 — High (CVSS 7.5): The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains a missing…
CVE-2023-47175 — Medium (CVSS 6.1): Cross-site scripting vulnerability in LuxCal Web Calendar prior to 5.2.4M (MySQL version) and LuxCal Web Calendar prior…
CVE-2023-39543 — Medium (CVSS 6.1): Cross-site scripting vulnerability in LuxCal Web Calendar prior to 5.2.3M (MySQL version) and LuxCal Web Calendar prior…

All CVEs affecting Luxsoft Luxcal Web Calendar →

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