CVE-2025-8588 - CVE House

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Status published Medium CVE-2025-8588

Gutenberg Blocks – PublishPress Blocks Controls, Visibility, Reusable Blocks <= 3.3.4 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

D.Sim

References

More from publishpress

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Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories <= 4.9.3 - Missing Authorization to Authenticated (Contributor+) Workflow Manipulation

Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories <= 4.9.2 - Missing Authorization to Authenticated (Contributor+) Authors' Emails Exposure

Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories <= 4.9.1 - Authenticated (Author+) Missing Authorization to Post/Page Status Modification

PublishPress Revisions: Duplicate Posts, Submit, Approve and Schedule Content Changes <= 3.5.14 - Reflected Cross-Site Scripting

Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors <= 4.7.1 - Insecure Direct Object Reference to Authenticated (Author+) Arbitrary User Email Update and Account Takeover

Affected Vendor

publishpress

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Affected Software

PublishPress Blocks – Block Controls, Block Visibility, Block Permissions

Vulnerable Versions:

0

Timeline

Official Publish: October 25th, 2025

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement