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.
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
| Date | Event | Detail |
| September 15, 2026 | Reserved | Reserved by VulDB |
| September 15, 2026 | Published | Published (CNA: VulDB) |
| September 17, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-91849 (WuzhiCMS). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | WuzhiCMS | — | 4.0 | — |
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.