WordPress Core Remote File Inclusion Vulnerability

WordPress Core

WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make page-template resolution include a chosen readable local `.php` file outside the active theme directories, leading to remote code execution. Added to CISA KEV on 2026-09-25 (federal deadline 2026-09-28).

First seen: 25 Sept 2026
Last update: 25 Sept 2026, 12:00 UTC
Identifiers: CVE-2026-87902
Source: CISA KEV
On the menu as: PHP
WordPress

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## WordPress Core Remote File Inclusion Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: WordPress Core
Ids: CVE-2026-87902

WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make page-template resolution include a chosen readable local `.php` file outside the active theme directories, leading to remote code execution. Added to CISA KEV on 2026-09-25 (federal deadline 2026-09-28).

## Steps
1. Search the repo, its CI and infra config for WordPress Core. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-87902") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp https://nvd.nist.gov/vuln/detail/CVE-2026-87902
https://pwned.coffee/i/wordpress-core-remote-file-inclusion-vulnerability-cve-2026-87902

Sources

Totalone hot coffee