CVE-2025-23979 HIGH

CVE-2025-23979: WordPress Flashy theme <= 1.2.1 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Duwasai
Product Flashy
Weakness CWE-79 · XSS
Published May 19, 2025
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 duwasai Flashy allows Reflected XSS.This issue affects Flashy: from n/a through 1.2.1.

Explanation of Vulnerability in Simple Terms

02Summary

Flashy versions up to 1.2.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability requires user interaction to exploit.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session data, credentials, or redirect to phishing sites.

Potential impact on your site

04Site Impact

Users visiting crafted malicious links could have their sessions compromised or be redirected to phishing pages, potentially leading to credential theft.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into visiting a malicious link or page containing the XSS payload. No authentication required.

Key dates

06Disclosure timeline

May 19, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE