What’s Vulnerable › Vulnerabilities

CVE-2022-0424: Popup by Supsystic < 1.10.9 - Unauthenticated Subscriber Email Addresses Disclosure

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-09 · updated 2026-06-17
• Weakness: CWE-306

Description

The Popup by Supsystic WordPress plugin before 1.10.9 does not have any authentication and authorisation in an AJAX action, allowing unauthenticated attackers to call it and get the email addresses of subscribed users

Affected products

• supsystic Popup by Supsystic: before 1.10.9 — fixed in 1.10.9

How to fix

Upgrade to a fixed version: supsystic Popup by Supsystic 1.10.9. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/1e4593fd-51e5-43ca-a244-9aaef3804b9f
• https://wpscan.com/vulnerability/1e4593fd-51e5-43ca-a244-9aaef3804b9f

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