What’s Vulnerable › Vulnerabilities

CVE-2024-3644: Newsletter Popup <= 1.2 - Admin+ Stored XSS

• 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: 2024-05-16 · updated 2026-06-17
• Weakness: CWE-79

Description

The Newsletter Popup WordPress plugin through 1.2 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

• Newsletter Popup: through 1.2

References

• https://wpscan.com/vulnerability/10eb712a-d9c3-46c9-be6a-02811396fae8/
• https://wpscan.com/vulnerability/10eb712a-d9c3-46c9-be6a-02811396fae8/

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