First published 9/27/2026, 6:43:15 AM · Last updated 9/27/2026, 6:43:15 AM

CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability

A remote file inclusion vulnerability in WordPress Core could allow an unauthenticated attacker to cause page-template resolution to include a readable local .php file outside active theme directories, potentially leading to remote code execution. The source requires stakeholders to apply vendor mitigations and follow CISA BOD 26-04 and forensics triage guidance, or discontinue use if mitigations are unavailable.

Categories: technology

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 4/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 6/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 6/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 1/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The flaw can lead to remote code execution on affected systems and therefore requires mitigation per CISA guidance.

Location

Sources

CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability

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