Medium severity · published Sep 21, 2023
CVE-2023-43309
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…
4.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Webmin · Webmin
through 2.002 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43309
Exploit
https://github.com/TishaManandhar/Webmin_xss_POC/blob/main/XSS
More from Webmin
9.8
CVE-2019-15107
Webmin Command Injection Vulnerability
9.8
CVE-2022-36446
software/apt-lib.pl in Webmin before 1.997 lacks HTML escaping for a UI command
9.8
CVE-2020-35769
miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program
9.8
CVE-2018-8712
An issue was discovered in Webmin 1.840 and 1.880 when the default Yes setting of "Can view any file as a log file" is enabled
9.6
CVE-2026-49243
Webmin: Reflected XSS in the Configuration module
