What is CVE-2025-8588?

CVE-2025-8588 is a medium-severity vulnerability in Publishpress Blocks – Block Controls, Visibility, Permissions, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-10-25.

How severe is CVE-2025-8588?

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

XSS in Publishpress Blocks – Block Controls, Visibility, Permissions

CVE-2025-8588

The Gutenberg Blocks – PublishPress Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Marker Title' and 'Marker Description' parameters for the Maps block in versions up to, and including, 3.3.4 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 (12.2th 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

Publishpress Blocks – Block Controls, Visibility, Permissions — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-8588?: CVE-2025-8588 is a medium-severity vulnerability in Publishpress Blocks – Block Controls, Visibility, Permissions, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-10-25.
How severe is CVE-2025-8588?: Medium severity. CVSS v3 base score is 6.4 out of 10.