Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-103686
rhukster dom-sanitizer URL Validation DOMSanitizer.php isDangerousUrl cross site scripting
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L P N L N 2.0 .0037 28.2 —
AFFECTED
Product Versions Fixed
dom-sanitizer 1.0.0 – 1.0.16
TIMELINE
Oct 1 Reserved by VulDB
Oct 1 Published (CNA: VulDB)
Oct 5 EXPLOIT PUBLISHED — CVE-2026-103686 (rhukster dom-sanitizer). Public exploit reference added.
Description
A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| October 1, 2026 | Reserved | Reserved by VulDB |
| October 1, 2026 | Published | Published (CNA: VulDB) |
| October 5, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-103686 (rhukster dom-sanitizer). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| rhukster | dom-sanitizer | — | 1.0.0 | 1.0.16 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-103686 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 Thursday, October 8, 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.