The GDPR Cookie Compliance WordPress plugin before 4.15.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-1623
• https://wpscan.com/vulnerability/40288fa0-50c6-4e13-9b92-968b060d3bf5