What is CVE-2026-0608?

CVE-2026-0608 is a medium-severity vulnerability in Specialk Head Meta Data, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-20.

How severe is CVE-2026-0608?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Specialk Head Meta Data

CVE-2026-0608

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Specialk Head Meta Data — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-0608?: CVE-2026-0608 is a medium-severity vulnerability in Specialk Head Meta Data, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-20.
How severe is CVE-2026-0608?: Medium severity. CVSS v3 base score is 6.4 out of 10.