CVE-2025-62665: Stored XSS through system messages in Skin:BlueSky

Published Oct 18, 2025
·
Updated

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky: from master before 1.39.

Affected Software

1 affected component
Wikimedia Foundation Mediawiki - Skin:BlueSky>master, <1.39

Event History

Oct 18, 2025
CVE Published
via MITRE·04:10 AM
Data Sourced
via MITRE·04:10 AM
DescriptionWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-62665?

CVE-2025-62665 is classified as a medium severity vulnerability due to its potential for stored cross-site scripting attacks.

2

How do I fix CVE-2025-62665?

To fix CVE-2025-62665, upgrade Mediawiki - Skin:BlueSky to version 1.39 or later.

3

What are the impacts of CVE-2025-62665?

CVE-2025-62665 may allow attackers to execute arbitrary JavaScript in the context of a victim's browser, potentially leading to data theft or account takeover.

4

Who is affected by CVE-2025-62665?

CVE-2025-62665 affects users of Mediawiki - Skin:BlueSky versions from master before 1.39.

5

Is CVE-2025-62665 a common vulnerability?

CVE-2025-62665 is a specific instance of a more common class of vulnerabilities known as cross-site scripting (XSS), and it is relatively prevalent in web applications.

Contact

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