CVE-2025-31077

WordPress Ultimate Blocks plugin <= 3.2.7 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks ultimate-blocks allows DOM-Based XSS.This issue affects Ultimate Blocks: from n/a through <= 3.2.7.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.21%Up 0.2 points since Mar 28, 2025

What each source reports

CVE List Score used 6.5

WordPress Ultimate Blocks plugin <= 3.2.7 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-31077
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-8566 6.5

Record: EUVD-2025-8566
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-mw7x-pfmv-gqjm 6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ultimate Blocks Ultimate Blocks allows DOM-Based XSS. This issue affects Ultimate Blocks: from n/a through 3.2.7.

Record: GHSA-mw7x-pfmv-gqjm
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-31077
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

ultimate blocks blocks

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-2025-31077 is a medium vulnerability (CVSS 6.5) in Ultimate Blocks Blocks, published March 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.