CVE-2025-31488 | BDVDB-2026-273677 Detail

Hex-DragonPCL2

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-20 Improper Input Validation

References#

https://github.com/Hex-Dragon/PCL2/security/advisories/GHSA-wfpw-hfcp-9m73

Exploit#

No public exploit known

History#

Version 12025-04-06Record published in the CVE List.
Version 22025-04-07Most recent update recorded in the CVE List.

Published

Published: 2025-04-06
Last modified: 2025-04-07

Vendor information

Vendor: Hex-Dragon
Product: PCL2

All Hex-Dragon vulnerabilities

Score

4.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.9.3
Fixed
Not stated

Scoring System

CVSS v4.0

4.9 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	None
User Interaction	Active
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).