What’s Vulnerable › Vulnerabilities

CVE-2023-0733: Newsletter Popup <= 1.2 - Unauthenticated Stored XSS

• Severity: medium (CVSS 6.1 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: 2023-05-30 · updated 2026-06-17

Description

The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some of its settings, which could allow unauthenticated users to perform Stored Cross-Site Scripting attacks

Affected products

• Newsletter Popup Project Newsletter Popup: through 1.2

References

• https://wpscan.com/vulnerability/fed1e184-ff56-44fe-9876-d17c0156447a
• https://wpscan.com/vulnerability/fed1e184-ff56-44fe-9876-d17c0156447a

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