CVE-2026-74803 - Vulnerability Details - OpenCVE

Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

yootheme.com

Zoo extension for Joomla

unaffected

Version	Status	Constraints
`1.0.0-4.1.63`	affected	—

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.yootheme.com/

History

Wed, 19 Aug 2026 14:00:00 +0000

Type	Values Removed	Values Added
Description		Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.
Title		Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64
Weaknesses		CWE-434
References		https://www.yootheme.com/
Metrics		cvssV4_0 `{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-08-19T13:39:24.213Z

Updated: 2026-08-19T15:02:47.974Z

Reserved: 2026-08-16T13:48:13.135Z

Link: CVE-2026-74803

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-19T14:17:39.487

Modified: 2026-08-19T14:17:39.487

Link: CVE-2026-74803

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-19T18:30:03Z

Weaknesses

CWE-434

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