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TI-2023-19706 Aliases CVE-2023-38308GHSA-mw86-9j6v-q4x7

An issue was discovered in Webmin 2.021.

Priority MEDIUM 60CWE-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

An issue was discovered in Webmin 2.021. A Cross-Site Scripting (XSS) vulnerability was discovered in the HTTP Tunnel functionality when handling third-party domain URLs. By providing a crafted URL from a third-party domain, an attacker can inject malicious code. leading to the execution of arbitrary JavaScript code within the context of the victim's browser.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00649 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webmin:webmin:2.021:*:*:*:*:*:*:*2.021VulnerableWebmin
  • cpe:2.3:a:webmin:webmin:2.021:*:*:*:*:*:*:* Versions 2.021 Vulnerable ·Webmin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-38308
  2. 2026-10-03 Alias added: GHSA-mw86-9j6v-q4x7
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

  • TI-2019-11278 An issue was discovered in Webmin <=1.920. KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-16770 software/apt-lib.pl in Webmin before 1.997 lacks HTML escaping for a UI command. CVSS 3.1CRITICAL 9.8
  • TI-2022-00731 Improper Access Control to Remote Code Execution in webmin/webmin CVSS 3.1HIGH 8.8
  • TI-2019-09619 In Webmin through 1.910, any user authorized to the "Package Updates" module can execute… CVSS 3.0HIGH 8.8
  • TI-2021-11777 Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote… CVSS 3.1CRITICAL 9.6
  • TI-2024-11888 OS command injection in Webmin CVSS 3.1HIGH 8.8
See all 95 →

Sources