CVE-2025-31083 MEDIUM

CVE-2025-31083: WordPress Leaky Paywall plugin <= 4.21.7 - Cross Site Scripting (XSS) Vulnerability

Vendor Zeen101
Product Leaky Paywall
Weakness CWE-79 · XSS
Published March 28, 2025
Last update April 28, 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 ZEEN101 Leaky Paywall leaky-paywall allows Stored XSS.This issue affects Leaky Paywall: from n/a through <= 4.21.7.

Explanation of Vulnerability in Simple Terms

02Summary

Leaky Paywall versions 4.21.7 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. The vulnerability requires user interaction and affects the scope beyond the vulnerable component. An attacker with low-level access can craft a malicious link or page to execute JavaScript in other users' browsers, potentially stealing session data or performing unauthorized actions.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users' sessions and data can be compromised if they visit attacker-controlled pages or click malicious links.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level user account and trick a victim into visiting a malicious link or page.

Key dates

06Disclosure timeline

March 28, 2025 CVE published
April 28, 2026 Record updated