What’s Vulnerable › Vulnerabilities

CVE-2023-5343: Popup Box < 3.7.9 - 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: 2023-11-20 · updated 2026-06-17
• Weakness: CWE-79

Description

The Popup box WordPress plugin before 3.7.9 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 3.7.9 — fixed in 3.7.9

How to fix

Upgrade to a fixed version: Ays Pro Popup box 3.7.9. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/74613b38-48f2-43d5-bae5-25c89ba7db6e
• https://wpscan.com/vulnerability/74613b38-48f2-43d5-bae5-25c89ba7db6e

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