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Fencer Intel
medium 4.3

CVE-2011-1937 json

Cross-site scripting (XSS) vulnerability in Webmin 1.540 and earlier allows local users to inject arbitrary web script or HTML via a chfn c…

published 2011-05-31 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1935

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Webmin 1.540 and earlier allows local users to inject arbitrary web script or HTML via a chfn command that changes the real (aka Full Name) field, related to useradmin/index.cgi and useradmin/user-lib.pl.

Patch / fix

Exploit prediction

1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • openwall.com http://openwall.com/lists/oss-security/2011/05/24/7 referenced PoC, tagged "exploit" by a source, unverified
  • youtube.com http://www.youtube.com/watch?v=CUO7JLIGUf0 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1025438 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/archive/1/517658 referenced PoC, tagged "exploit" by a source, unverified
  • javierb.com.ar http://javierb.com.ar/2011/04/24/xss-webmin-1-540/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.