CVE-2021-36832 MEDIUM

CVE-2021-36832: WordPress Icegram plugin <= 2.0.2 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Vendor Icegram
Product Popups, Welcome Bar, Optins and Lead Generation Plugin – Icegram
Weakness CWE-79 · XSS
Published October 19, 2021
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

WordPress Popups, Welcome Bar, Optins and Lead Generation Plugin – Icegram (versions <= 2.0.2) vulnerable at "Headline" (&message_data[16][headline]) input.

Explanation of Vulnerability in Simple Terms

02Summary

The Icegram popup plugin versions up to 2.0.2 contain a stored cross-site scripting (XSS) vulnerability. An authenticated admin can inject malicious JavaScript into popup content that executes in the browsers of site visitors. The vulnerability requires admin privileges and user interaction to exploit, but affects all visitors who view the compromised popup.

What an attacker can do

03Attacker Capabilities

Inject JavaScript code that runs in visitors' browsers when they view a popup.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised if an admin account is breached or a malicious admin is added.

Conditions required to exploit

05Prerequisites

Admin-level access to the WordPress site; victim must view the affected popup.

Key dates

06Disclosure timeline

October 19, 2021 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-18344 Responsive Thumbnail Slider < 1.1.53 - Reflected Cross-Site Scripting via 'id' Parameter CVE-2026-15100 Post Grid Gutenberg Blocks <= 5.0.32 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'searchnoresult' Block Attribute CVE-2026-65528 WordPress BSK PDF Manager plugin <= 3.8 - Cross Site Scripting (XSS) vulnerability CVE-2026-15425 Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name) CVE-2026-65440 WordPress GetGenie plugin <= 4.4.3 - Cross Site Scripting (XSS) vulnerability