CVE-2026-28177 HIGH

CVE-2026-28177: WordPress Popup Maker plugin <= 1.23.0 - Cross Site Scripting (XSS) vulnerability

Vendor Daniel Iser

Product Popup Maker

Weakness CWE-79 · XSS

Published August 6, 2026

Last update August 6, 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

Unauthenticated Cross Site Scripting (XSS) in Popup Maker <= 1.23.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Popup Maker versions up to 1.23.0 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into popup content. An attacker can craft a malicious link or page that, when visited by a site administrator or user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Site visitors and admins could have sessions hijacked, credentials stolen, or be redirected to malicious sites when interacting with popups.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

August 6, 2026 CVE published

August 6, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-28177 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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