CVE-2023-22684 MEDIUM

CVE-2023-22684: WordPress Subscribers – Free Web Push Notifications Plugin <= 1.5.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Subscribers.com
Product Subscribers
Weakness CWE-79 · XSS
Published May 15, 2023
Last update April 28, 2026

CVSS base score

5.9/10
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:L

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Subscribers.Com Subscribers plugin <= 1.5.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Subscribers.com Subscribers versions up to 1.5.3 contain a cross-site scripting (XSS) vulnerability. An authenticated administrator can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction—the victim must visit a page containing the injected payload. Impact is limited to low-severity data exposure and site defacement.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they visit affected pages.

Potential impact on your site

04Site Impact

Administrators with malicious intent can deface pages or steal session data from other users viewing the site.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin privileges and the victim must visit a page with the injected payload.

Key dates

06Disclosure timeline

May 15, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE