CVE-2026-0608: Head Meta Data <= 20251118 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-20 · updated 2026-06-17
Weakness: CWE-79

Description

The Head Meta Data plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'head-meta-data' post meta field in all versions up to, and including, 20251118 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 products

specialk Head Meta Data: through 20251118

References

https://plugins.trac.wordpress.org/changeset?old_path=/head-meta-data/tags/20251118&new_path=/head-meta-data/tags/20260105
https://www.wordfence.com/threat-intel/vulnerabilities/id/9592bb6d-8e1d-4c89-addd-11c07272a628?source=cve

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