CVE-2023-30749 MEDIUM

CVE-2023-30749: WordPress Optima Express + MarketBoost IDX Plugin Plugin <= 7.3.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Ihomefinder
Product Optima Express + MarketBoost IDX Plugin
Weakness CWE-79 · XSS
Published August 14, 2023
Last update April 28, 2026
View on NVD All CVEs

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

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in ihomefinder Optima Express + MarketBoost IDX Plugin plugin <= 7.3.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Optima Express + MarketBoost IDX Plugin through version 7.3.0 contains a cross-site scripting (XSS) vulnerability that allows authenticated users with high privileges to inject malicious scripts. The vulnerability requires user interaction to trigger. An attacker can execute JavaScript in the context of other users' browsers, potentially stealing session data or performing actions on their behalf.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Authenticated admins could be compromised, leading to unauthorized changes, data theft, or further site compromise.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and trick a user into visiting a malicious link or page.

Key dates

06Disclosure timeline

August 14, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-18344 Responsive Thumbnail Slider < 1.1.53 - Reflected Cross-Site Scripting via 'id' Parameter CVE-2026-13440 StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.0 - Unauthenticated Stored Cross-Site Scripting via 'message_popup' Parameter CVE-2026-65763 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Maps 5.0.0-6.0.4 CVE-2026-15334 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute CVE-2026-15648 Brands for WooCommerce <= 3.8.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'width' Shortcode Attribute