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PYSEC-2026-657

Mailman Cross-site scripting (XSS) vulnerability

Quick fix

PYSEC-2026-657 — mailman: upgrade to the fixed version with the command below.

pip install --upgrade 'mailman>=2.1.1'

Details

Cross-site scripting (XSS) vulnerability in options.py for Mailman 2.1 allows remote attackers to inject script or HTML into web pages via the (1) email or (2) language parameters.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/mailman

Introduced in: 0Fixed in: 2.1.1

Fixpip install --upgrade 'mailman>=2.1.1'

References

https://nvd.nist.gov/vuln/detail/CVE-2003-0038[ADVISORY]
https://exchange.xforce.ibmcloud.com/vulnerabilities/11152[WEB]
http://marc.info/?l=bugtraq&m=104342745916111[WEB]
http://telia.dl.sourceforge.net/sourceforge/mailman/xss-2.1.0-patch.txt[WEB]
http://www.debian.org/security/2004/dsa-436[WEB]
http://www.osvdb.org/9205[WEB]
http://www.securityfocus.com/bid/6677[WEB]
http://www.securitytracker.com/id?1005987[WEB]
https://pypi.org/project/mailman[PACKAGE]
https://github.com/advisories/GHSA-82rm-28q9-435p[ADVISORY]