CVE-2023-40663 HIGH

CVE-2023-40663: WordPress WP VR Plugin <= 8.3.4 is vulnerable to Cross Site Scripting (XSS)

Vendor Rextheme

Product WP VR

Weakness CWE-79 · XSS

Published September 27, 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 Rextheme WP VR plugin <= 8.3.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP VR through version 8.3.4 contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects the site's scope, meaning the attack can impact other users and site functionality.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in users' browsers when they visit a crafted link or page.

Potential impact on your site

04Site Impact

Users visiting malicious links could have sessions hijacked, credentials stolen, or see defaced content; site reputation at risk.

Conditions required to exploit

05Prerequisites

A site user must visit a malicious link or page crafted by the attacker; no authentication required.

Key dates

06Disclosure timeline

September 27, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-40663 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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