CVE-2020-15883 MunkiReport Managed Installs module Reflected Cross-Site Scripting (XSS) vulnerability
Remote attackers can inject arbitrary web script or HTML into MunkiReport via URL parameters, potentially compromising user sessions.
- 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-2020-15883?
CVE-2020-15883 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Jul 2020. 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
A Cross-Site Scripting (XSS) vulnerability in the managedinstalls module before 2.6 for MunkiReport allows remote attackers to inject arbitrary web script or HTML via the last two URL parameters (through which installed packages names and versions are reported).
Weakness: CWE-79
Which versions are affected by CVE-2020-15883?
2 open source packages ship an affected version, including munkireport/managedinstalls. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
munkireport/managedinstalls Packagist | All versions | 2.6 |
munkireport/managedinstalls Packagist | All versions | 2.6 |
Products include Managedinstalls Project Managedinstalls.
How do I fix CVE-2020-15883?
Upgrade munkireport/managedinstalls to 2.6 or later.
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-2020-15883 being exploited?
There is no known exploitation of CVE-2020-15883 in the wild and no public exploit code.
Sources
Also known as GHSA-79xr-v794-wq35.