What’s Vulnerable › Vulnerabilities

CVE-2025-66055: WordPress Email Subscribers & Newsletters plugin <= 5.9.10 - PHP Object Injection vulnerability

• Severity: high (CVSS 7.2 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: none known
• Published: 2025-11-21 · updated 2026-10-18
• Weakness: CWE-502

Description

Deserialization of Untrusted Data vulnerability in Icegram Email Subscribers & Newsletters email-subscribers allows Object Injection.This issue affects Email Subscribers & Newsletters: from n/a through <= 5.9.10.

Affected products

• Icegram Email Subscribers & Newsletters: through 5.9.10

References

• https://patchstack.com/database/Wordpress/Plugin/email-subscribers/vulnerability/wordpress-email-subscribers-newsletters-plugin-5-9-10-php-object-injection-vulnerability?_s_id=cve

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