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Known exploited vulnerability

CVE-2026-87902

highCVSS 3.1 8.1In CISA KEVEPSS 96%Published · WordPress

The short answer

CVE-2026-87902 affects WordPress WordPress and is rated high (CVSS 8.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-09-25: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-98.

Severity

8.1 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Sep 25, 2026

Federal due date Sep 28, 2026

EPSS, next 30 days

96%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

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…

Affected products

WordPress. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2026-87902 being exploited?

Yes. CISA added CVE-2026-87902 to its Known Exploited Vulnerabilities catalog on 2026-09-25, with a federal remediation due date of 2026-09-28.

How do I fix CVE-2026-87902?

CISA's 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…

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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