Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .0028 18.3 —
AFFECTED Product Versions Fixed Uix UserCenter unspecified —
TIMELINE Jul 20 Reserved by WPScan Aug 29 Published (CNA: WPScan) Aug 30 EXPLOIT PUBLISHED — CVE-2026-16259 (Unknown Uix UserCenter). Public exploit reference added.
The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.
| Date | Event | Detail |
|---|---|---|
| July 20, 2026 | Reserved | Reserved by WPScan |
| August 29, 2026 | Published | Published (CNA: WPScan) |
| August 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16259 (Unknown Uix UserCenter). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Unknown | Uix UserCenter | — | — | — |
Authoritative record: CVE-2026-16259 at cve.org
Weaknesses: CWE-269
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16259 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 Sunday, October 4, 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.
