CVE-2025-31488CWE-20

Plain Craft Launcher's custom homepage can use Internet Explorer to load web pages with the help of controls such as WebBrowser

Medium · published April 6, 2025

CVSS v4.0
4.9
EPSS
0%
Percentile
7.3
In the wild
Unconfirmed
What it is

Plain Craft Launcher (PCL) is a launcher for Minecraft. PCL allows users to use homepages provided by third parties. If controls such as WebBrowser are used in the homepage, WPF will use Internet Explorer to load the specified webpage. If the user uses a malicious homepage, the attacker can use IE background to access the specified webpage without knowing it. This vulnerability is fixed in 2.9.3.

The record
Technical detail
CVSS v4.0
4.9 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
EPSS
0.00181 · 7.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-04-06T19:56Z
EPSS history
Timeline
  • 06 APR 19:56Z
    Plain Craft Launcher's custom homepage can use Internet Explorer to load web pages with the help of controls such as WebBrowser
    cvelistv5