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CVE-2024-11455: Include Mastodon Feed <= 1.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-21 · updated 2026-06-17
• Weakness: CWE-79

Description

The Include Mastodon Feed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'include-mastodon-feed' shortcode in all versions up to, and including, 1.9.4 due to insufficient input sanitization and output escaping on user supplied attributes. 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 products

• wolfgang101 Include Mastodon Feed: through 1.9.4

References

• https://plugins.trac.wordpress.org/browser/include-mastodon-feed/tags/1.9.4/plugin.php#L730
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1ed075f2-778a-49f5-bd6e-439cd3f1cee6?source=cve

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