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  4. CVE 2026 16259 uix usercenter 103 unauthenticated privilege
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Back to active CVEs
Critical · CVSS 9.8CVE-2026-16259

Uix UserCenter <= 1.0.3 - Unauthenticated Privilege EscalationCVE-2026-16259

Answer in brief

CVE-2026-16259 records a Critical severity (CVSS 9.8) vulnerability in Uix UserCenter <= 1.0.3 - Unauthenticated Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps Unknown/Uix UserCenter (generic), Unknown/Uix UserCenter (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 29, 2026Updated Aug 31, 2026Source checked Oct 13, 2026First seen by HOL Aug 29, 2026Material review Aug 31, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/Uix UserCenter (generic), Unknown/Uix UserCenter (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/Uix UserCentergeneric>=0 <=1.0.3Not reported
Unknown/Uix UserCentergeneric0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/Uix UserCenter, Unknown/Uix UserCenter.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 31, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 29, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Bit integrations <= 2.10.6 - Unauthenticated Stored Cross-Site Scripting via 'notification_content' Field via Public Bit Assist Webhook CallbackSame generic ecosystem
  • AcyMailing <= 11.1.0 - Unauthenticated Stored Cross-Site Scripting via 'customField[]' ParameterSame generic ecosystem
  • The macOS version of the DigiD app is not signed with Hardened RuntimeSame generic ecosystem
  • code-projects Online Reviewer System User Profile Update btn_functions.php dynamically-determined object attributesSame generic ecosystem
  • k2-fsa sherpa-onnx Offline Transducer Greedy Search Decoder offline-transducer-greedy-search-decoder.cc Decode buffer overflowSame generic ecosystem
  • Tiiny-AI PowerInfer GGUF ggml.c gguf_init_from_file out-of-boundsSame generic ecosystem

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-269
Source
CVE List V5
Source checked
Oct 13, 2026
References
1 linked source
Open source record