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TI-2023-20675 Aliases CVE-2023-39543GHSA-qqrg-2fcm-mwrq

Cross-site scripting in LuxSoft LuxCal Web Calendar

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cross-site scripting vulnerability in LuxCal Web Calendar prior to 5.2.3M (MySQL version) and LuxCal Web Calendar prior to 5.2.3L (SQLite version) allows a remote unauthenticated attacker to execute an arbitrary script on the web browser of the user who is using the product.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00672 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LuxSoftLuxCal Web Calendarprior to 5.2.3M (MySQL version)—No fix listedCNA
LuxSoftLuxCal Web Calendarprior to 5.2.3L (SQLite version)—No fix listedCNA
  • LuxCal Web Calendar VendorLuxSoft Affected prior to 5.2.3M (MySQL version) Fixed in — No fix listed CNA
  • LuxCal Web Calendar VendorLuxSoft Affected prior to 5.2.3L (SQLite version) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:luxsoft:luxcal_web_calendar:*:*:*:*:*:*:*:*before 5.2.3m; before 5.2.3lVulnerableLuxSoft
  • cpe:2.3:a:luxsoft:luxcal_web_calendar:*:*:*:*:*:*:*:* Versions before 5.2.3m; before 5.2.3l Vulnerable ·LuxSoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39543
  2. 2026-10-03 Alias added: GHSA-qqrg-2fcm-mwrq

References

Advisory 1

Other 2

  • TI-2023-25192 SQL injection in LuxSoft LuxCal Web Calendar CVSS 3.1CRITICAL 9.8
  • TI-2025-18890 SQL injection in LuxSoft The LuxCal Web Calendar CVSS 3.1CRITICAL 9.8
  • TI-2025-18889 SQL injection in LuxSoft The LuxCal Web Calendar CVSS 3.1CRITICAL 9.8
  • TI-2023-20834 SQL injection in LuxSoft LuxCal Web Calendar CVSS 3.1CRITICAL 9.1
  • TI-2025-18892 Missing authentication in LuxSoft The LuxCal Web Calendar CVSS 3.1HIGH 7.5
  • TI-2025-18891 Path traversal in LuxSoft The LuxCal Web Calendar CVSS 3.1MEDIUM 5.3
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences