Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N L P L L N 5.1 .0017 6.1 —
AFFECTED Product Versions Fixed Pimcore unspecified —
TIMELINE Oct 12 Reserved by VulnCheck Oct 12 Published (CNA: VulnCheck) Oct 13 EXPLOIT PUBLISHED — CVE-2026-109392 (Pimcore). Public exploit reference added.
Pimcore through 2026.3.1 contains a stored cross-site scripting vulnerability that allows authenticated backend users to inject scripts by storing unescaped URLs in ExternalImage fields. Attackers with data object edit permission can store attribute-breaking payloads that execute JavaScript in the admin origin when other users open version preview or diff views.
| Date | Event | Detail |
|---|---|---|
| October 12, 2026 | Reserved | Reserved by VulnCheck |
| October 12, 2026 | Published | Published (CNA: VulnCheck) |
| October 13, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-109392 (Pimcore). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Pimcore | Pimcore | — | — | — |
Authoritative record: CVE-2026-109392 at cve.org
Vendors: pimcore
Weaknesses: CWE-79
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-109392 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
