CVE-2026-87902

WordPress

Published 22 Sept 2026 · updated 28 Sept 2026 · Analyzed

8.1 High · CVSS 3.1, CISA ADP

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 25 Sept 2026, with a remediation deadline of 28 Sept 2026 for US federal agencies.

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Description

An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the active theme directories. If relevant pre-conditions for both the server and the active theme are met, this can lead to RCE.

References