boxscore/security
CVE · referencelatest edition

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.

CVE-2026-91849

n/a WuzhiCMS — WuzhiCMS Avatar Upload index.php setAvatar unrestricted upload
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   L   L   L    2.1   .0037   28.1     —
AFFECTED
  Product   Versions  Fixed
  WuzhiCMS  4.0 –     —
TIMELINE
  Sep 15  Reserved by VulDB
  Sep 15  Published (CNA: VulDB)
  Sep 17  EXPLOIT PUBLISHED — CVE-2026-91849 (WuzhiCMS). Public exploit reference added.
CWE-284, CWE-434 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A security flaw has been discovered in WuzhiCMS up to 4.1.0. This affects the function member::setAvatar of the file /index.php?m=member&f=user&v=setAvatar of the component Avatar Upload. The manipulation of the argument File results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
September 15, 2026ReservedReserved by VulDB
September 15, 2026PublishedPublished (CNA: VulDB)
September 17, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-91849 (WuzhiCMS). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
n/aWuzhiCMS—4.0—

Weaknesses

CWE-284 · CWE-434

References (6)

Related

Authoritative record: CVE-2026-91849 at cve.org

Weaknesses: CWE-284 · CWE-434

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-91849 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.