CVE-2023-28933 MEDIUM

CVE-2023-28933: WordPress Call Now Accessibility Button Plugin <= 1.1 is vulnerable to Cross Site Scripting (XSS)

Vendor Stpetedesign
Product Call Now Accessibility Button
Weakness CWE-79 · XSS
Published June 12, 2023
Last update April 28, 2026
View on NVD All CVEs

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 StPeteDesign Call Now Accessibility Button plugin <= 1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Call Now Accessibility Button plugin contains a stored cross-site scripting (XSS) vulnerability in versions up to 1.1. An authenticated administrator with high privileges can inject malicious scripts that execute in the browsers of other site users, including other admins. The vulnerability requires user interaction to trigger. Scope is changed, meaning the impact extends beyond the vulnerable component itself.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

A malicious admin can steal session tokens, modify site content, or perform actions as other administrators.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

June 12, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15665 Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute CVE-2026-65492 WordPress Dokan Pro plugin <= 5.0.0 - Cross Site Scripting (XSS) vulnerability CVE-2026-15425 Yoast SEO <= 28.0 - Authenticated (Author+) Stored Cross-Site Scripting via Post Slug (post_name) CVE-2026-6454 Firelight Lightbox <= 2.3.20 - Authenticated (Contributor+) Stored DOM Cross-Site Scripting via PDF beforeLoad 'href' Attribute CVE-2026-15644 Powerkit <= 3.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'style' Shortcode Attribute