CVE-2018-0618

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.

Published: 2018-07-26 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-0618 is rated Moderate Risk (50.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.05%). EPSS rose +1.51% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-0618

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.54% 2.05% +1.51%
2 2026-03-04 0.59% 0.54% -0.05%
3 2026-03-01 — 0.59% —

Full EPSS history (26 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-0618

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.3 2.7 [email protected]
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2018-0618

OS Trackers for CVE-2018-0618

vendor priority summary link
gentoo normal CVE-2018-0618: 1 GLSA(s) (201904-10), 1 atom(s) (net-mail/mailman); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-0618
redhat medium — https://access.redhat.com/security/cve/CVE-2018-0618
suse medium CVE-2018-0618 severity moderate: SUSE including 5 source package names (mailman-2.1.15-30.el7, mailman-2.1.15-9.6.6.1, mailman-2.1.17-3.3.3, mailman-2.1.17-3.8.1, mailman-2.1.27-lp150.2.3.1), 25 product×package rows across 25 product lines (SUSE Enterprise Storage 4, SUSE Liberty Linux 7, … (25 product lines)): Fixed 25. https://www.suse.com/security/cve/CVE-2018-0618/
ubuntu low CVE-2018-0618 low priority: Ubuntu including 1 source packages (mailman), 9 status rows across 9 suites (artful, bionic, cosmic, disco, eoan, focal, trusty, upstream, xenial): not-affected 3, released 3, ignored 2, DNE 1. https://ubuntu.com/security/CVE-2018-0618

Affected software / configurations for CVE-2018-0618

Vendor Product Version Raw CPE
gnu mailman <= 2.1.26 cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References for CVE-2018-0618

cvelogic Threat Intelligence