CVE-2023-27414 HIGH

CVE-2023-27414: WordPress Popup box Plugin <= 3.4.4 is vulnerable to Cross Site Scripting (XSS)

Vendor Popup Box Team

Product Popup box

Weakness CWE-79 · XSS

Published June 21, 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 Popup Box Team Popup box plugin <= 3.4.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Popup Box versions up to 3.4.4 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into popup content. An attacker can craft a malicious popup configuration that executes JavaScript in the browsers of site visitors. The vulnerability requires user interaction—a visitor must view or interact with the affected popup. This can lead to session hijacking, credential theft, or malware distribution.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers via popup content.

Potential impact on your site

04Site Impact

Attackers can steal visitor session cookies, capture form data, or redirect users to malicious sites.

Conditions required to exploit

05Prerequisites

No authentication required. A site visitor must view or interact with the malicious popup.

Key dates

06Disclosure timeline

June 21, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-27414 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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