Skip to content
Fencer Intel
medium 5.4

CVE-2018-0618 json

Cross-site scripting vulnerability in Mailman 2.1.26 and earlier allows remote authenticated attackers to inject arbitrary web script or HT…

published 2018-07-26 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1428

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Cross-site scripting vulnerability in Mailman 2.1.26 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.

Patch / fix

  • mailman Ubuntu 16.04 LTS 1:2.1.20-1ubuntu0.4
  • mailman Ubuntu 18.04 LTS 1:2.1.26-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2018-0618

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mailman RHEL 7 3:2.1.15-30.el7

red hat advisories RHSA-2020:1054

  • mailman SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +2 more 2.1.15-9.6.6.1
  • mailman SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +9 more 2.1.17-3.3.3

suse advisories SUSE-SU-2019:13924-1SUSE-SU-2018:4296-1

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-2018-0618 updated cvss 4.8

mailman: Cross-site scripting vulnerability allows malicious listowners to inject scripts into listinfo pages

  • Red Hat Enterprise Linux 5 mailman Red Hat Enterprise Linux 6 mailman
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Server (v. 7) mailman 2.1.15-30.el7 Red Hat Enterprise Linux Workstation (v. 7) mailman 2.1.15-30.el7
    fixed: vendor fix RHSA-2020:1054
  • Red Hat Enterprise Linux 8 mailman
    not affected: vulnerable code not present

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

2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • GNU Mailman Mailman

Classification

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

References

Sources

Fencer Intel 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.