CVE-2025-1312

Ultimate Blocks – WordPress Blocks Plugin <= 3.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4 Medium

The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buttonTextColor’ parameter in all versions up to, and including, 3.2.7 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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.32%Up 0.3 points since Mar 26, 2025

What each source reports

CVE List Score used 6.4

Ultimate Blocks – WordPress Blocks Plugin <= 3.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting

Record: CVE-2025-1312
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-8119 6.4

Record: EUVD-2025-8119
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wpp5-gj35-j435 6.4

The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross...

Record: GHSA-wpp5-gj35-j435
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.4

Record: CVE-2025-1312
CVSS 3.1: 6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

ultimateblocks ultimate blocks – 25+ gutenberg blocks for block editor

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-1312 is a medium vulnerability (CVSS 6.4) in Ultimateblocks Ultimate Blocks – 25+ Gutenberg Blocks For Block Editor, published March 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.