CVE-2026-87902
WordPress Core Remote File Inclusion Vulnerability
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.
CISA due Sep 28, 2026
- WordPress Core
- High
- CVSS 8.1
- EPSS 39.98%
- Fixed version listed
What to do
Fixed version listed
- 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.
- CISA deadline for US federal agencies
- Sep 28, 2026
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| WordPress WordPress | before 7.1.2 | 7.1.2 |
Scores and signals
- Exploitation
- Exploited in the wild
- Severity
- High, CVSS 8.1 (v3.1, scored by CISA-ADP)
- EPSS
- 39.98% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 24, 2026)
- CISA's SSVC decision points
- Exploitation: active. Automatable: no. Technical impact: total. As of Sep 25, 2026.
- Weakness
- CWE-98: Remote File Inclusion
- Vendor
- WordPress, Core
Timeline
- Added to CISA's Known Exploited Vulnerabilities catalog: exploited in the wild. US federal agencies must remediate by 2026-09-28.