CVE-2023-39921 MEDIUM

CVE-2023-39921: WordPress Molongui Plugin <= 4.6.19 is vulnerable to Cross Site Scripting (XSS)

Vendor Molongui
Product Author Box, Guest Author and Co-Authors for Your Posts – Molongui
Weakness CWE-79 · XSS
Published November 30, 2023
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 Molongui Author Box, Guest Author and Co-Authors for Your Posts – Molongui allows Stored XSS.This issue affects Author Box, Guest Author and Co-Authors for Your Posts – Molongui: from n/a through 4.6.19.

Explanation of Vulnerability in Simple Terms

02Summary

The Molongui Author Box plugin for WordPress contains a stored cross-site scripting (XSS) vulnerability in versions up to 4.6.19. An authenticated user with high privileges can inject malicious scripts that execute in the browsers of other site visitors. The vulnerability requires user interaction and affects the integrity and confidentiality of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

A compromised admin or editor account can inject scripts affecting all site visitors, potentially stealing data or redirecting users.

Conditions required to exploit

05Prerequisites

Attacker must have high-level WordPress privileges (e.g., administrator or editor role) and a victim must view the injected content.

Key dates

06Disclosure timeline

November 30, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE