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PYSEC-2026-659

mailman Cross-site scripting (XSS) vulnerability

Quick fix

PYSEC-2026-659 — mailman: upgrade to the fixed version with the command below.

pip install --upgrade 'mailman>=2.1.5'

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/mailman

Introduced in: 0Fixed in: 2.1.5

Fixpip install --upgrade 'mailman>=2.1.5'

References

https://nvd.nist.gov/vuln/detail/CVE-2004-1177[ADVISORY]
https://exchange.xforce.ibmcloud.com/vulnerabilities/18854[WEB]
https://github.com/terencehonles/mailman[PACKAGE]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11113[WEB]
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=287555[WEB]
http://marc.info/?l=bugtraq&m=110549296126351&w=2[WEB]
http://secunia.com/advisories/13603[WEB]
http://www.debian.org/security/2005/dsa-674[WEB]
http://www.mandriva.com/security/advisories?name=MDKSA-2005:015[WEB]
http://www.novell.com/linux/security/advisories/2005_07_mailman.html[WEB]
http://www.redhat.com/support/errata/RHSA-2005-235.html[WEB]
https://pypi.org/project/mailman[PACKAGE]
https://github.com/advisories/GHSA-rh6c-jh4c-9fg3[ADVISORY]