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CVE-2025-58218: WordPress Small Package Quotes – USPS Edition Plugin <= 1.3.9 - PHP Object Injection Vulnerability

• Severity: high (CVSS 7.2 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: none known
• Published: 2025-08-27 · updated 2026-06-17
• Weakness: CWE-502

Description

Deserialization of Untrusted Data vulnerability in enituretechnology Small Package Quotes – USPS Edition small-package-quotes-usps-edition allows Object Injection.This issue affects Small Package Quotes – USPS Edition: from n/a through <= 1.3.9.

Affected products

• enituretechnology Small Package Quotes – Worldwide Express Edition: through 1.3.9

References

• https://patchstack.com/database/Wordpress/Plugin/small-package-quotes-usps-edition/vulnerability/wordpress-small-package-quotes-usps-edition-plugin-1-3-9-php-object-injection-vulnerability?_s_id=cve

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