WordPress Core Remote File Inclusion Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Core, fix it now.
CISA 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.
US federal civilian agencies must remediate by Sep 28, 2026.
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
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.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| Core | WordPress | — | — | KEV |
| WordPress | WordPress | < 4.7.37; >= 4.8, < 4.8.32; >= 4.9, < 4.9.33; >= 5.0, < 5.0.29; >= 5.1, < 5.1.26; >= 5.2, < 5.2.28 | 4.7.37; 4.8.32; 4.9.33; 5.0.29; 5.1.26; 5.2.28 | NVD |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.
Developments from the last 30 days, newest first.
CVE-2026-87902 scored CVSS 8.1: WordPress Core, WordPress Core Remote File Inclusion Vulnerability
CISA lists this as exploited in the wild. Unpatched Core systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
CVE-2026-87902 added to CISA KEV: WordPress Core, WordPress Core Remote File Inclusion Vulnerability
CISA lists this as exploited in the wild. Unpatched Core systems are exposed to active attacks now.
Basis: CISA Known Exploited Vulnerabilities catalog
CISA lists this as exploited in the wild. Unpatched WordPress and Core systems are exposed to active attacks now.
Apply the vendor's security update for WordPress and Core.
CISA lists this as exploited in the wild. Unpatched WordPress and Core systems are exposed to active attacks now.
Apply the vendor's security update for WordPress and Core.
