CVE-2023-30489 HIGH

CVE-2023-30489: WordPress Email Subscription Popup Plugin <= 1.2.16 is vulnerable to Cross Site Scripting (XSS)

Vendor I Thirteen Web Solution
Product Email Subscription Popup
Weakness CWE-79 · XSS
Published August 14, 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 I Thirteen Web Solution Email Subscription Popup plugin <= 1.2.16 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Email Subscription Popup versions up to 1.2.16 contain a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts into the popup form that execute in visitors' browsers when they view the affected page. The vulnerability requires user interaction to trigger and can affect other users on the site. Update to a version newer than 1.2.16 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers when they view the popup form.

Potential impact on your site

04Site Impact

Attackers can steal visitor data, redirect users, or deface the popup without needing site admin access.

Conditions required to exploit

05Prerequisites

No authentication required. A visitor must view a page containing the affected popup form.

Key dates

06Disclosure timeline

August 14, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

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