CVE-2023-47833 MEDIUM

CVE-2023-47833: WordPress Theater for WordPress Plugin <= 0.18.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Jeroen Schmit
Product Theater for WordPress
Weakness CWE-79 · XSS
Published November 22, 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 Jeroen Schmit Theater for WordPress plugin <= 0.18.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Theater for WordPress plugin through version 0.18.3 contains a cross-site scripting (XSS) vulnerability that allows authenticated users with high privileges to inject malicious scripts. The vulnerability requires user interaction and affects the plugin's scope beyond its immediate component. Site administrators should update the plugin to a version newer than 0.18.3 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they interact with affected pages.

Potential impact on your site

04Site Impact

Authenticated admins could inject scripts affecting site functionality and user data; requires user interaction to trigger.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

November 22, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE