CVE-2025-31806 MEDIUM

CVE-2025-31806: WordPress Webling plugin <= 3.9.0 - Cross Site Scripting (XSS) vulnerability

Vendor Usystems
Product Webling
Weakness CWE-79 · XSS
Published April 1, 2025
Last update May 11, 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 uSystems Webling webling allows Stored XSS.This issue affects Webling: from n/a through <= 3.9.0.

Explanation of Vulnerability in Simple Terms

02Summary

Webling versions up to 3.9.0 contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically a victim visiting a crafted page—and can affect other users' sessions and data. Update to version 3.9.1 or later to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers and steal session data or modify site content.

Potential impact on your site

04Site Impact

A compromised admin account can inject scripts affecting other users' sessions, data, and trust in your site.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must visit a page containing the malicious payload.

Key dates

06Disclosure timeline

April 1, 2025 CVE published
May 11, 2026 Record updated