Cross-Site Scripting Vulnerability in GNU Mailman by Python Software Foundation
CVE-2021-43331

6.1MEDIUM

Key Information:

Vendor
Gnu
Status
Mailman
Vendor
CVE Published:
12 November 2021

Summary

A vulnerability exists in GNU Mailman prior to version 2.1.36 that allows attackers to craft malicious URLs leading to the execution of arbitrary JavaScript in the context of a user’s session. This occurs specifically in the Cgi/options.py user options page, potentially compromising the security of affected users by enabling unauthorized actions and data access.

References

https://bugs.launchpad.net/mailman/+bug/1949401
x_refsource_MISC
https://mail.python.org/archives/list/mailman-announce%40...
x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2022/06/msg0...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.