CVE-2025-12667: GitHub Gist Shortcode Plugin <= 0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published Nov 11, 2025
·
Updated

The GitHub Gist Shortcode Plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter of the 'gist' shortcode in all versions up to, and including, 0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Software

1 affected component
GitHub Gist Shortcode Plugin<=0.2

Event History

Nov 11, 2025
CVE Published
via MITRE·03:30 AM
Data Sourced
via MITRE·03:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-12667?

CVE-2025-12667 is categorized as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.

2

How do I fix CVE-2025-12667?

To fix CVE-2025-12667, upgrade the GitHub Gist Shortcode Plugin to version 0.3 or higher.

3

What is the impact of CVE-2025-12667?

The impact of CVE-2025-12667 includes the ability for authenticated users to inject malicious scripts via the 'id' parameter.

4

Who is affected by CVE-2025-12667?

CVE-2025-12667 affects all versions of the GitHub Gist Shortcode Plugin for WordPress up to and including version 0.2.

5

Why is input sanitization important in relation to CVE-2025-12667?

Input sanitization is crucial to prevent malicious script injections, which are exploited in CVE-2025-12667.

Company

Resources

Contact

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CVE-2025-12667 - GitHub Gist Shortcode Plugin <= 0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting - SecAlerts