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THREAT OPS › Threat News › [NVD] CVE-2026-16259 (CRITICAL 9.8) — 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 ins

[NVD] CVE-2026-16259 (CRITICAL 9.8) — 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 ins

mednvdPublished 2026-08-29

CVE-2026-16259 CVSS: 9.8 CRITICAL Published: 2026-08-29T06:17:00.360

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

Indicators of compromise

CVE-2026-16259cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-16259