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CVE-2026-87902

WordPress Core Remote File Inclusion

8.1 HIGHActively exploited (CISA KEV)EPSS 40.0%
  1. Published22 Sept 2026
  2. Added to CISA KEV25 Sept 2026
  3. Remediation due28 Sept 2026
Actively exploited (CISA KEV)

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.

Added to KEV: 25 Sept 2026Federal remediation due: 28 Sept 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

WordPress≥ 4.8 < 4.8.32 · ≥ 4.9 < 4.9.33 · ≥ 5.0 < 5.0.29 · ≥ 5.1 < 5.1.26

Remediation

Fixed in
WordPress≥ 4.8.32

Frequently asked

Is CVE-2026-87902 being actively exploited?

Yes. CVE-2026-87902 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Sept 2026.

How severe is CVE-2026-87902?

CVE-2026-87902 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 40.0% probability of exploitation.

Which products are affected by CVE-2026-87902?

Affected products include WordPress.

How do I fix CVE-2026-87902?

Upgrade affected software to a fixed version, for example WordPress 4.8.32 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-87902 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.