CVE-2023-30497 HIGH

CVE-2023-30497: WordPress LINE Notify Plugin <= 1.4.4 is vulnerable to Cross Site Scripting (XSS)

Vendor Simon Chuang

Product WP LINE Notify

Weakness CWE-79 · XSS

Published September 6, 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 Simon Chuang WP LINE Notify plugin <= 1.4.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP LINE Notify versions up to 1.4.4 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects the plugin's handling of user input without proper sanitization.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser to steal credentials or hijack sessions.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

September 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-30497 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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