What’s Vulnerable › Vulnerabilities

CVE-2023-1549: Ad Inserter < 2.7.27 - Admin+ PHP Object Injection

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-15 · updated 2026-06-17

Description

The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present

Affected products

• Ad Inserter: before 2.7.27 — fixed in 2.7.27

How to fix

Upgrade to a fixed version: Ad Inserter 2.7.27. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/c94b3a68-673b-44d7-9251-f3590cc5ee9e
• https://wpscan.com/vulnerability/c94b3a68-673b-44d7-9251-f3590cc5ee9e

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