What is CVE-2023-23015?

CVE-2023-23015 is a medium-severity vulnerability in Kalkun Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.

How severe is CVE-2023-23015?

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

XSS in Kalkun Project

CVE-2023-23015

Cross Site Scripting (XSS) vulnerability in Kalkun 0.8.0 via username input in file User_model.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-20 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (35.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Kalkun Project — versions 0.8.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gist.github.com/enferas/eaf599190451745f1b339f64cca4a36d (Vendor Advisory)
github.com/kalkun-sms/Kalkun/issues/487 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-23015?: CVE-2023-23015 is a medium-severity vulnerability in Kalkun Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-20.
How severe is CVE-2023-23015?: Medium severity. CVSS v3 base score is 6.1 out of 10.