What’s Vulnerable › Vulnerabilities

CVE-2023-3226: Popup Builder < 4.2.0 - Admin+ Stored Cross-Site Scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-25 · updated 2026-06-17

Description

The Popup Builder WordPress plugin before 4.2.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

• Popup Builder: through 4.1.15

References

• https://wpscan.com/vulnerability/941a9aa7-f4b2-474a-84d9-9a74c99079e2
• https://wpscan.com/vulnerability/941a9aa7-f4b2-474a-84d9-9a74c99079e2

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