CVE-2025-55713 MEDIUM

CVE-2025-55713: WordPress Blocksy Theme <= 2.1.6 - Cross Site Scripting (XSS) Vulnerability

Vendor Creativethemeshq
Product Blocksy
Weakness CWE-79 · XSS
Published August 14, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in creativethemeshq Blocksy blocksy allows Stored XSS.This issue affects Blocksy: from n/a through <= 2.1.6.

Explanation of Vulnerability in Simple Terms

02Summary

Blocksy versions up to 2.1.6 contain a cross-site scripting (XSS) vulnerability that allows high-privilege users to inject malicious scripts. An attacker with admin or editor access can craft a request that, when visited by another user, executes JavaScript in their browser. This affects the site's integrity and can compromise user sessions or data.

What an attacker can do

03Attacker Capabilities

Inject and execute JavaScript code in other users' browsers within the site context.

Potential impact on your site

04Site Impact

Compromised admin or editor accounts can inject scripts affecting all site visitors, potentially stealing credentials or modifying site content.

Conditions required to exploit

05Prerequisites

Attacker must have high-privilege account access (admin/editor role) and the victim must visit a page containing the malicious payload.

Key dates

06Disclosure timeline

August 14, 2025 CVE published
April 28, 2026 Record updated