Overview
CVE-2026-87902 has been added to the CISA Known Exploited Vulnerabilities catalog. Published on September 22, 2026. Threat actors are actively exploiting this vulnerability in real-world attacks.
An unauthenticated attacker can make get_page_template() page-template resolution include a chosen readable local `.
Threat Intelligence
| Metric | Value |
|---|---|
| CVE ID | CVE-2026-87902 |
| Severity | HIGH |
| CVSS Score | 0.0/10 |
| CISA KEV | ✅ Yes — Actively Exploited |
| KEV Date Added | September 25, 2026 |
| Remediation Deadline | September 28, 2026 |
| EPSS Score | 95.8% exploit probability |
| EPSS Percentile | Top 99% of all CVEs |
Why This Matters
This vulnerability has been added to the CISA Known Exploited Vulnerabilities (KEV) catalog, which means threat actors are actively exploiting it in real-world attacks.
Federal agencies are required to remediate by September 28, 2026. All organizations should treat this deadline as a strong recommendation.
Exploit Prediction (EPSS)
The FIRST EPSS model rates this vulnerability at 95.8% exploit probability (Very High). This places it in the top 99% of all known CVEs by likelihood of exploitation in the next 30 days.
EPSS (Exploit Prediction Scoring System) uses real-world exploit data and machine learning to predict whether a vulnerability will be exploited. A high EPSS score is a strong signal to prioritize remediation.
Affected WordPress Software
| Software | Type | Affected Versions | Fixed In |
|---|---|---|---|
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
| WordPress Core | WordPress Core | * | None |
Recommended Actions
- Check for updates — Monitor the developer for a patched release.
- Update WordPress Core — In your WordPress admin dashboard, navigate to Dashboard → Updates and click "Update Now". Alternatively, download the latest version from wordpress.org and manually replace core files.
- Audit your site — Review access logs for suspicious activity, especially POST requests to
/wp-json/batch/v1or/?rest_route=/batch/v1. - Run a security scan — Use ThreatSpot to check your WordPress site for this and other vulnerabilities.
- Meet the deadline — CISA recommends remediation by September 28, 2026.
References
CVE data aggregated from the National Vulnerability Database (NVD), CISA Known Exploited Vulnerabilities catalog, and FIRST EPSS. Analysis updated as new intelligence becomes available. Last updated: 2026-09-28.