CVE-2025-31488

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

MEDIUM
4.9
CVSS Score
Published: April 6, 2025 at 07:56 PM UTC
Updated: June 17, 2026 at 09:10 AM UTC
1 product affected across 1 vendorPCL2

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.9.3
Affected range stops below 2.9.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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