CVE-2018-5950 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via a user-options URL in the Mailman web UI, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-5950?
CVE-2018-5950 is a medium-severity cross-site scripting vulnerability in Canonical Ubuntu Linux, published on 23 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2018-5950?
It affects 9 products.
Linux distribution packages (8)
mailman Red Hat:enterprise_linux:6::server | All versions | 3:2.1.12-26.el6_9.3 |
mailman-debuginfo Red Hat:enterprise_linux:6::server | All versions | 3:2.1.12-26.el6_9.3 |
mailman Red Hat:enterprise_linux:6::workstation | All versions | 3:2.1.12-26.el6_9.3 |
mailman-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 3:2.1.12-26.el6_9.3 |
mailman Red Hat:enterprise_linux:7::server | All versions | 3:2.1.15-26.el7_4.1 |
mailman-debuginfo Red Hat:enterprise_linux:7::server | All versions | 3:2.1.15-26.el7_4.1 |
mailman Red Hat:enterprise_linux:7::workstation | All versions | 3:2.1.15-26.el7_4.1 |
mailman-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 3:2.1.15-26.el7_4.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, Gnu Mailman, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 3 more.
How do I fix CVE-2018-5950?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-5950 being exploited?
There is no known exploitation of CVE-2018-5950 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DLA-1272-1, DSA-4108-1, GHSA-224g-q27w-pv8f, MGASA-2018-0184, RHSA-2018:0504, RHSA-2018:0505 and 2 more.