CVE-2025-48319 MEDIUM

CVE-2025-48319: WordPress Mesa Mesa Reservation Widget plugin <= 1.0.0 - Cross Site Scripting (XSS) vulnerability

Vendor Gslauraspeck
Product Mesa Mesa Reservation Widget
Weakness CWE-79 · XSS
Published August 28, 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 gslauraspeck Mesa Mesa Reservation Widget mesa-mesa-reservation-widget allows Stored XSS.This issue affects Mesa Mesa Reservation Widget: from n/a through <= 1.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

The Mesa Mesa Reservation Widget contains a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. When a victim visits an affected page, the injected code executes in their browser, potentially compromising their session or stealing data. The vulnerability affects all versions up to and including 1.0.0.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in a victim's browser when they view the widget.

Potential impact on your site

04Site Impact

An admin account compromise could allow script injection affecting all site visitors who view the widget.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must visit a page containing the widget.

Key dates

06Disclosure timeline

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