CVE-2026-65459 WPMU DEV CVE debrief

Who should care

Defenders responsible for WordPress systems using the Forminator plugin should assess exposure and potential impact.

Why it matters

CVE-2026-65459 is a high-severity vulnerability in Forminator plugin versions up to 1.57.3, allowing unauthenticated arbitrary content deletion. Defenders should prioritize verifying exposure and assessing potential impact, focusing on systems using the affected plugin version.

• Potential data loss or corruption due to arbitrary content deletion.
• Increased risk of website defacement or unauthorized modifications.
• Potential disruption to website functionality or user experience.

Technical summary

The vulnerability allows unauthenticated attackers to delete arbitrary content in Forminator plugin versions up to 1.57.3. The CVSS score is 7.5, indicating high severity.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, focusing on systems using the affected plugin version.

Recommended defensive actions

• Verify exposure by checking systems using Forminator plugin version 1.57.3 or earlier.
• Assess potential impact on systems using the affected plugin version.
• Consider updating to a patched version if available.

Evidence notes

The vulnerability is described in the CVE record and NVD detail page. Limited information is available on affected versions and potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.