What’s Vulnerable › Vulnerabilities

CVE-2023-6591: Popup Box Pro < 20.9.0 - Admin+ Stored XSS

• 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: 2024-02-12 · updated 2026-06-17
• Weakness: CWE-79

Description

The Popup Box WordPress plugin before 20.9.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

Affected products

• Ays Pro Popup box: before 20.9.0 — fixed in 20.9.0

How to fix

Upgrade to a fixed version: Ays Pro Popup box 20.9.0. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/f296de1c-b70b-4829-aba7-4afa24f64c51/
• https://wpscan.com/vulnerability/f296de1c-b70b-4829-aba7-4afa24f64c51/

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