Moderate severity vulnerability that affects mailman

MEDIUM 6.5CVE-2018-13796 · GHSA-xqvg-xm9m-p2c4 · PYSEC-2026-661 · Published 12/07/2018 · updated 17/06/2026

In short

CVE-2018-13796 is a MEDIUM (CVSS 6.5) vulnerability affecting mailman, mailman (gnu).
Chance of exploitation in the next 30 days (EPSS): 2.5%, higher than 84.9% of all vulnerabilities.
Fix: update to 2.1.28 or later.

Package	Affected versions	Patched versions
mailman PyPI	`< 2.1.28`	`2.1.28`
mailman gnu	`< 2.1.28`	`2.1.28`

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

NVD description

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

PyPI

< 2.1.28

2.1.28

< 2.1.28

2.1.28

Description

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

NVD description

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

More vulnerabilities in mailman

See all →