CVE-2023-31071 HIGH

CVE-2023-31071: WordPress Modal Dialog Plugin <= 3.5.14 is vulnerable to Cross Site Scripting (XSS)

Vendor Yannick Lefebvre

Product Modal Dialog

Weakness CWE-79 · XSS

Published August 17, 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 Yannick Lefebvre Modal Dialog plugin <= 3.5.14 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Modal Dialog versions up to 3.5.14 contain a cross-site scripting vulnerability in how they handle user input within dialog content. An attacker can inject malicious scripts that execute in a visitor's browser when they interact with a modal dialog. The vulnerability requires user interaction—the visitor must click or interact with the affected modal—and can affect other parts of the page or session.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser when they interact with a modal dialog.

Potential impact on your site

04Site Impact

Visitors' sessions, cookies, or form data could be compromised if they interact with a malicious modal dialog.

Conditions required to exploit

05Prerequisites

Visitor must click or interact with a modal dialog containing the attacker's injected payload.

Key dates

06Disclosure timeline

August 17, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-31071 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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