CVE-2023-32503 HIGH

CVE-2023-32503: WordPress GTmetrix for WordPress Plugin <= 0.4.6 is vulnerable to Cross Site Scripting (XSS)

Vendor Gtmetrix
Product GTmetrix for WordPress
Weakness CWE-79 · XSS
Published August 8, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in GTmetrix GTmetrix for WordPress plugin <= 0.4.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The GTmetrix for WordPress plugin through version 0.4.6 contains a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in the browsers of site visitors or administrators. The vulnerability requires user interaction to trigger, but once injected, the malicious code persists and affects multiple users. This can lead to credential theft, malware distribution, or unauthorized site modifications.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers and steals credentials or modifies site content.

Potential impact on your site

04Site Impact

Visitors and admins may have their sessions hijacked, credentials stolen, or see malicious content injected into your site.

Conditions required to exploit

05Prerequisites

User interaction required; attacker needs to craft a malicious input and have a victim visit or interact with the affected page.

Key dates

06Disclosure timeline

August 8, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-65492 WordPress Dokan Pro plugin <= 5.0.0 - Cross Site Scripting (XSS) vulnerability CVE-2026-65511 WordPress Manual - Documentation, Knowledge Base & Education WordPress Theme theme <= 7.5.4 - Cross Site Scripting (XSS) vulnerability CVE-2026-65503 WordPress Ultimate Store Kit Elementor Addons plugin <= 3.0.5 - Cross Site Scripting (XSS) vulnerability CVE-2026-15100 Post Grid Gutenberg Blocks <= 5.0.32 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'searchnoresult' Block Attribute CVE-2026-7623 SureForms <= 2.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'headingWrapper' Block Attribute