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PatchSiren cyber security CVE debrief

CVE-2026-39574 RealMag777 CVE debrief

CVE-2026-39574 is a critical vulnerability in the InPost Gallery plugin for WordPress, affecting versions up to and including 2.1.4.6. This vulnerability allows unauthenticated attackers to inject malicious SQL code, potentially leading to data breaches or other security issues. The vulnerability has a CVSS score of 9.3, indicating a high severity level.

Vendor
RealMag777
Product
InPost Gallery
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-16
Advisory published
2026-06-16
Advisory updated
2026-06-16

Who should care

Administrators and users of the InPost Gallery plugin, especially those using versions <= 2.1.4.6, should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by a lack of proper input sanitization, allowing attackers to inject malicious SQL code. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L.

Defensive priority

High

Recommended defensive actions

  • Update the InPost Gallery plugin to a version that is not vulnerable (if available).
  • Use a Web Application Firewall (WAF) to detect and prevent SQL injection attacks.
  • Regularly monitor your website for suspicious activity.

Evidence notes

The vulnerability was reported by Patchstack, as indicated by the reference [ref-4].

Official resources

CVE-2026-39574 was published on 2026-06-16T10:16:27.223Z and has not been modified since then.