What is CVE-2023-39543?

CVE-2023-39543 is a medium-severity vulnerability in Luxsoft Luxcal Web Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-08-21.

How severe is CVE-2023-39543?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Luxsoft Luxcal Web Calendar

CVE-2023-39543

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Luxsoft Luxcal Web Calendar — versions prior to 5.2.3M (MySQL version), prior to 5.2.3L (SQLite version)
Luxsoft Luxcal_web_calendar

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vultures@jpcert.or.jp (Product)
vultures@jpcert.or.jp (Product)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-39543?: CVE-2023-39543 is a medium-severity vulnerability in Luxsoft Luxcal Web Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-08-21.
How severe is CVE-2023-39543?: Medium severity. CVSS v3 base score is 6.1 out of 10.