CVE-2026-87902 (GCVE-0-2026-87902)

Vulnerability from cvelistv5 – Published: 2026-09-22 16:44 – Updated: 2026-09-26 03:55
VLAI CISA ENISA Previdian
Summary
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.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 00:00 UTC
CWE
  • CWE-98 - Remote File Inclusion
Assigner
References
Impacted products
Vendor Product Version CPE status
WordPress WordPress Affected: 0 , < 7.1.2 (semver)
guessed Create a notification for this product.
Credits
Robert (ressl)
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 68aa96c0-439c-42d6-b6be-975c8517ef29

Vulnerability ID: CVE-2026-87902

Status: Confirmed

Status Updated: 2026-09-25 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-25
Asserted: 2026-09-25
Scope
Notes: WordPress Core Remote File Inclusion Vulnerability | Affected: WordPress / Core | 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. | Due date: 2026-09-28 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-98
Feed CISA Known Exploited Vulnerabilities Catalog
Product Core
Due Date 2026-09-28
Date Added 2026-09-25
Vendorproject WordPress
Vulnerabilityname WordPress Core Remote File Inclusion Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-09-25 20:00 UTC | Updated: 2026-09-25 20:00 UTC
ENISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: ad3992c6-50b7-4f4a-8cc8-5e2c0d2436cd

Vulnerability ID: CVE-2026-87902

Status: Confirmed

Status Updated: 2026-09-23 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-23
Asserted: 2026-09-23
Scope
Notes: Affected: WordPress Foundation / WordPress | Description: The vulnerabilitycan be exploited by an attacker without login credentials to have a special file loaded outside the normal themes of WordPress. Active abuse has been observed. | Patched since: 2026/09/22 | Exploitation type: unknown | CWEs: CWE-98 | Origin source: NCSC-NL | Notes: https://www.ncsc.nl/alerts/kwetsbaarheid-in-wordpress-wordt-actief-misbruikt-update-nu
Evidence

Type: Csirt Report

Signal: Successful Exploitation

Confidence: 75%

Source: enisa-cnw-kev

Details
Cwes CWE-98
Euvd EUVD-2026-84555
Notes https://www.ncsc.nl/alerts/kwetsbaarheid-in-wordpress-wordt-actief-misbruikt-update-nu
Catalog ENISA / EU CSIRTs Network (CNW) KEV JSON
Product WordPress
Datereported 2026/09/23
Originsource NCSC-NL
Patchedsince 2026/09/22
Vendorproject WordPress Foundation
Exploitationtype unknown
Vulnerabilityname
Threatactorsexploiting
References
Created: 2026-09-25 17:00 UTC | Updated: 2026-09-25 17:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: dbd7644f-fb15-44bf-a651-dcce819c960b

Vulnerability ID: CVE-2026-87902

Status: Confirmed

Status Updated: 2026-09-23 12:53 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-23
Asserted: 2026-09-23
Scope
Notes: An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the active... | Affected: WordPress / WordPress | CVSS: 8.1 (HIGH) | EPSS: 0.0042 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the active...
Cve Id CVE-2026-87902
Vendor WordPress
Ghsa Id None
Product WordPress
Added Date 2026-09-23T12:53:51.266Z
Cvss Score 8.1
Epss Score 0.0042
Previous Ids
Cvss Severity HIGH
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.35945
Used In Malware unknown
Vulnerability Id CVE-2026-87902
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-09-24 13:00 UTC | Updated: 2026-09-24 13:00 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.