CVE-2023-2028: Call Now Accessibility Button < 1.1 - Admin+ Stored Cross Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-07-10 · updated 2026-06-17

Description

The Call Now Accessibility Button WordPress plugin before 1.1 does not properly sanitize some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

Call Now Accessibility Button: before 1.1 — fixed in 1.1

How to fix

Upgrade to a fixed version: Call Now Accessibility Button 1.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/0f1c1f1c-acdd-4c8a-bd5e-a21f4915e69f
https://wpscan.com/vulnerability/0f1c1f1c-acdd-4c8a-bd5e-a21f4915e69f

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