CVE-2025-50018 MEDIUM

CVE-2025-50018: WordPress Tealium plugin <= 2.1.20 - Cross Site Scripting (XSS) Vulnerability

Vendor Tealium
Product Tealium
Weakness CWE-79 · XSS
Published June 20, 2025
Last update April 28, 2026

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 Tealium Tealium tealium allows Stored XSS.This issue affects Tealium: from n/a through <= 2.1.20.

Explanation of Vulnerability in Simple Terms

02Summary

Tealium versions up to 2.1.20 contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users or the site itself. Update to version 2.1.22 or later to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers or affect site functionality.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject scripts affecting other admins, users, or site integrity.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

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