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Known Exploited Vulnerability
8.1
HIGH CVSS 3.1
CVE-2026-87902
WordPress Core Remote File Inclusion Vulnerability - [Actively Exploited]
Overview
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.

Details
INFO

Published Date :

Sept. 22, 2026, 5:17 p.m.

Last Modified :

Sept. 28, 2026, 12:20 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

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.

Known Ransomware Campaign Use:

Unknown

Notes :

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-87902

Impact
Affected Products

The following products are affected by CVE-2026-87902 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wordpress wordpress
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Prevent accessing local PHP files outside theme directories to stop RCE.
  • Update theme to the latest version.
  • Sanitize user input for file resolution.
  • Restrict file access to active theme directories.
  • Disable theme file editing functionality.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-87902.

URL Resource
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp Vendor Advisory
https://patchstack.com/articles/cve-2026-87902-attackers-started-probing-wordpress-sites-hours-after-the-patch/ Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87902 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-87902 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-87902 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-87902 vulnerability anywhere in the article.

  • Kaspersky
CVE-2026-87902: Critical Vulnerability in WordPress

vulnerability CVE-2026-87902, a new critical vulnerability in the WordPress core, is already being actively exploited in real-world attacks. Editorial Team September 25, 2026 A critical vulnerability ... Read more

Published Date: Sep 25, 2026 (2 weeks, 4 days ago)
  • security.nl
NCSC meldt actief misbruik van kritiek WordPress-lek: 'Update nu'

Aanvallers maken actief misbruik van een kritieke path traversal-kwetsbaarheid in WordPress waardoor websites zijn over te nemen, zo meldt het Nationaal Cyber Security Centrum (NCSC). Er is een update ... Read more

Published Date: Sep 25, 2026 (2 weeks, 5 days ago)
  • The Hacker News
Attackers Exploit WordPress CVE-2026-87902 Within Hours of Disclosure

Threat actors have begun to actively exploit a critical security flaw in WordPress within hours of public disclosure. The vulnerability in question is CVE-2026-87902 (CVSS score: 9.2), which could all ... Read more

Published Date: Sep 24, 2026 (2 weeks, 6 days ago)
  • The Hacker News
WordPress Issues Patch for Critical Flaw That Can Enable Code Execution on Some Servers

WordPress has fixed a critical flaw in its core software that lets an attacker with no account make a site load a PHP file from outside its theme folders. On some servers, that can go further, allowin ... Read more

Published Date: Sep 22, 2026 (3 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-87902 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 28, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.8 up to (excluding) 4.8.32 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.9 up to (excluding) 4.9.33 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.0 up to (excluding) 5.0.29 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.1.26 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.2 up to (excluding) 5.2.28 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.25 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.4 up to (excluding) 5.4.23 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.5.22 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.6.21 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.7 up to (excluding) 5.7.19 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.8 up to (excluding) 5.8.17 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.9 up to (excluding) 5.9.18 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.0 up to (excluding) 6.0.16 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.1 up to (excluding) 6.1.14 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.13 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.3 up to (excluding) 6.3.12 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.4 up to (excluding) 6.4.12 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.5 up to (excluding) 6.5.12 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.6 up to (excluding) 6.6.9 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.7.9 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.8 up to (excluding) 6.8.10 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 6.9 up to (excluding) 6.9.9 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 7.0 up to (excluding) 7.0.6 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (excluding) 4.7.37 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 7.1 up to (excluding) 7.1.2
    Added Reference Type HackerOne: https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp Types: Vendor Advisory
    Added Reference Type CISA-ADP: https://patchstack.com/articles/cve-2026-87902-attackers-started-probing-wordpress-sites-hours-after-the-patch/ Types: Third Party Advisory
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87902 Types: US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 26, 2026

    Action Type Old Value New Value
    Removed SSVC {'id': 'CVE-2026-87902', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-25T19:40:04.026420Z'}
    Added SSVC {'id': 'CVE-2026-87902', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-25T00:00:00+00:00'}
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Sep. 25, 2026

    Action Type Old Value New Value
    Added Date Added 2026-09-25
    Added Due Date 2026-09-25
    Added Required Action 2026-09-25
    Added Vulnerability Name 2026-09-25
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 25, 2026

    Action Type Old Value New Value
    Added Reference https://patchstack.com/articles/cve-2026-87902-attackers-started-probing-wordpress-sites-hours-after-the-patch/
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87902
    Removed SSVC {'id': 'CVE-2026-87902', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-22T16:56:15.222399Z'}
    Added SSVC {'id': 'CVE-2026-87902', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-25T19:40:04.026420Z'}
  • New CVE Received by [email protected]

    Sep. 22, 2026

    Action Type Old Value New Value
    Added 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.
    Added CWE CWE-98
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/87xxx/CVE-2026-87902.json">CVE-2026-87902</a>
    Added Reference https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 22, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added SSVC {'id': 'CVE-2026-87902', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-22T16:56:15.222399Z'}
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact