CVE-2025-67537 MEDIUM

CVE-2025-67537: WordPress ThirstyAffiliates plugin <= 3.11.8 - Cross Site Scripting (XSS) vulnerability

Vendor Blair Williams
Product ThirstyAffiliates
Weakness CWE-79 · XSS
Published December 9, 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 Blair Williams ThirstyAffiliates thirstyaffiliates allows Stored XSS.This issue affects ThirstyAffiliates: from n/a through <= 3.11.8.

Explanation of Vulnerability in Simple Terms

02Summary

ThirstyAffiliates versions 3.11.8 and earlier contain a stored cross-site scripting (XSS) vulnerability. An attacker with low-level access can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect multiple users across the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers and steal their session data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Site users' accounts and data are at risk; attackers can hijack sessions, modify content, or redirect users to malicious sites.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege account (e.g., subscriber or contributor) and the victim must view a page containing the injected payload.

Key dates

06Disclosure timeline

December 9, 2025 CVE published
April 28, 2026 Record updated