How severe is CVE-2025-31488?

CVE-2025-31488 has a CVSS 4.0 base score of 4.9, rated medium severity.

Is CVE-2025-31488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-31488?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-31488 have an EU (EUVD) identifier?

Yes. CVE-2025-31488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10017.

When was CVE-2025-31488 published?

CVE-2025-31488 was published on 2025-04-06 and last updated on 2026-06-17.

CVE-2025-31488

CVE-2025-31488 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 4.0 base score 4.9)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10017
Weakness: CWE-20
Published: 2025-04-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-31488?: 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.
How severe is CVE-2025-31488?: CVE-2025-31488 has a CVSS 4.0 base score of 4.9, rated medium severity.
Is CVE-2025-31488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-31488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31488 have an EU (EUVD) identifier?: Yes. CVE-2025-31488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10017.
When was CVE-2025-31488 published?: CVE-2025-31488 was published on 2025-04-06 and last updated on 2026-06-17.

References

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

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