CVE-2025-49873 HIGH

CVE-2025-49873: WordPress Elessi theme <= 6.3.9 - Cross Site Scripting (XSS) Vulnerability

Vendor Nasatheme
Product Elessi
Weakness CWE-79 · XSS
Published June 20, 2025
Last update April 28, 2026
View on NVD All CVEs

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 NasaTheme Elessi elessi-theme allows Reflected XSS.This issue affects Elessi: from n/a through <= 6.3.9.

Explanation of Vulnerability in Simple Terms

02Summary

Elessi versions up to 6.3.9 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users viewing the compromised content. An attacker needs no authentication to exploit this flaw.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers, stealing session tokens or redirecting to phishing sites.

Potential impact on your site

04Site Impact

Site visitors may be redirected, have their sessions hijacked, or be served malware without your knowledge.

Conditions required to exploit

05Prerequisites

Victim must click an attacker-supplied link or visit a page containing the malicious payload.

Key dates

06Disclosure timeline

June 20, 2025 CVE published
April 28, 2026 Record updated