CVE-2026-87902

Aliases:DEBIAN-CVE-2026-87902UBUNTU-CVE-2026-87902
Undergoing Analysis
Published: 22 Sept 2026, 16:44
Last modified:25 Sept 2026, 19:58

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
8.1 HIGH
v3.1 (cve.org)
EPSS Score
2.88% LOW
3% probability 0.00%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Sept 2026, 16:44
Published
Vulnerability first disclosed
25 Sept 2026, 00:00
Added to CISA KEV
WordPress Core Remote File Inclusion Vulnerability
25 Sept 2026, 19:58
Last Modified
Vulnerability information updated
28 Sept 2026, 00:00
CISA Remediation Due
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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 2.88%• Percentile: 86%

Techniques & Countermeasures

  • CWE-98•Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

    The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.

Affected Systems

  • debian•wordpress

    all | all | all

  • ubuntu•wordpress

    all | all | all | all | all | all

  • wordpress•wordpress

    < 7.1.2

References (6)