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Fencer Vulns
medium 4.3

CVE-2004-1177 json

mailman Cross-site scripting (XSS) vulnerability

published 2005-01-10 21 y ago modified 2026-07-06 4 mo ago also GHSA-rh6c-jh4c-9fg3 , PYSEC-2026-659 , EUVD-2022-1824

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in the driver script in mailman before 2.1.5 allows remote attackers to inject arbitrary web script or HTML via a URL, which is not properly escaped in the resulting error page.

Patch / fix

  • pypi mailman 2.1.5
  • mailman RHEL 3 3:2.1.5-25.rhel3
  • mailman RHEL 4 3:2.1.5-33.rhel4

red hat advisories RHSA-2005:235

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-1177 updated

security flaw

  • Red Hat Desktop version 3 mailman 2.1.5-25.rhel3 Red Hat Enterprise Linux AS version 3 mailman 2.1.5-25.rhel3 Red Hat Enterprise Linux AS version 4 mailman 2.1.5-33.rhel4 Red Hat Enterprise Linux Desktop version 4 mailman 2.1.5-33.rhel4 Red Hat Enterprise Linux ES version 3 mailman 2.1.5-25.rhel3 Red Hat Enterprise Linux ES version 4 mailman 2.1.5-33.rhel4
    +2 more products
    Red Hat Enterprise Linux WS version 3 mailman 2.1.5-25.rhel3 Red Hat Enterprise Linux WS version 4 mailman 2.1.5-33.rhel4
    fixed: vendor fix RHSA-2005:235

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected packages

ecosystem package affected fixed in
pypi mailman
<2.1.5
2.1.5

Classification

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

References

Sources

Fencer Vulns 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.