CVE-2025-58031 MEDIUM

CVE-2025-58031: WordPress Nextend Facebook Connect Plugin <= 3.1.19 - Cross Site Scripting (XSS) Vulnerability

Vendor Nextendweb
Product Nextend Facebook Connect
Weakness CWE-79 · XSS
Published September 22, 2025
Last update May 13, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Nextendweb Nextend Facebook Connect nextend-facebook-connect allows Stored XSS.This issue affects Nextend Facebook Connect : from n/a through <= 3.1.19.

Explanation of Vulnerability in Simple Terms

02Summary

Nextend Facebook Connect versions 3.1.19 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Users' sessions and data are at risk; attackers can deface content, steal credentials, or redirect visitors to malicious sites.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must visit or interact with a page containing the injected script.

Key dates

06Disclosure timeline

September 22, 2025 CVE published
May 13, 2026 Record updated

Related vulnerabilities

08Related CVE