CVE-2023-43309

4.8 mediumEPSS 0.5%

Medium (4.8) in webmin webmin. EPSS 0.5% chance of exploitation in the next 30 days.

There is a stored cross-site scripting (XSS) vulnerability in Webmin 2.002 and below via the Cluster Cron Job tab Input field, which allows attackers to run malicious scripts by injecting a specially crafted payload.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-09-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

webmin:webmin

References

https://github.com/TishaManandhar/Webmin_xss_POC/blob/main/XSS
https://github.com/TishaManandhar/Webmin_xss_POC/blob/main/XSS

Check your stack JSON