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7.5

Webmin and Usermin login page can let attackers steal cookies

CVE-2002-0756 · published 24 years ago
Summary

The sign‑in pages of Webmin version 0.96 and Usermin version 0.90 let a remote user place their own code into an error message. If exploited, the malicious code could capture session cookies and allow someone to hijack a logged‑in session. Update both Webmin and Usermin to the latest releases or apply the vendor’s security patch as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
usermin usermin 0.7
0.8
0.9
cpe:2.3:a:usermin:usermin:0.7:*:*:*:*:*:*:*
webmin webmin 0.91
0.92
0.92.1
0.93
0.94
0.95
0.96
cpe:2.3:a:webmin:webmin:0.91:*:*:*:*:*:*:*
Original advisory text
Cross-site scripting vulnerability in the authentication page for (1) Webmin 0.96 and (2) Usermin 0.90 allows remote attackers to insert script into an error page and possibly steal cookies.
Cross-site scripting vulnerability in the authentication page for (1) Webmin 0.96 and (2) Usermin 0.90 allows remote attackers to insert script into an error page and possibly steal cookies.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
2% chance of attack within 30 days
Timeline
Published12 Aug 2002
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2002-0756 · NVD
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