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Vulnerability record · CVE-2018-5950 · published 23 January 2018

CVE-2018-5950: Gnu mailman cross-site scripting vulnerability

Gnu · Mailman

Cross-site scripting (XSS) vulnerability in the web UI in Mailman before 2.1.26 allows remote attackers to inject arbitrary web script or HTML via a user-options URL.

6.1 CVSS 3.1 Medium EPSS 4.6% · top 8.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
4.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
18References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in the web UI in Mailman before 2.1.26 allows remote attackers to inject arbitrary web script or HTML via a user-options URL.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/159761/Mailman-2.1.23-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/104594 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0504 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0505 Third Party Advisory
https://bugs.launchpad.net/mailman/+bug/1747209 Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00007.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3563-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4108 Third Party Advisory
https://www.mail-archive.com/mailman-users%40python.org/msg70375.html
http://packetstormsecurity.com/files/159761/Mailman-2.1.23-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/104594 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0504 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0505 Third Party Advisory
https://bugs.launchpad.net/mailman/+bug/1747209 Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00007.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3563-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4108 Third Party Advisory
https://www.mail-archive.com/mailman-users%40python.org/msg70375.html

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Source: NIST National Vulnerability Database (record CVE-2018-5950), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.