CVE-2026-66673 - Vulnerability Details - OpenCVE

Unauthenticated Cross Site Scripting (XSS) in Flatastic <= 2.0 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

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

Vendor Product Default status Versions

Monkeysan

Flatastic

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 2.0

No data.

No data.

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://patchstack.com/database/wordpress/theme/flatastic/vulnerability/wordpress-flatastic-theme-2-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Thu, 20 Aug 2026 17:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 20 Aug 2026 12:15:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Cross Site Scripting (XSS) in Flatastic <= 2.0 versions.
Title		WordPress Flatastic theme <= 2.0 - Reflected Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/wordpress/theme/flatastic/vulnerability/wordpress-flatastic-theme-2-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-08-20T12:07:15.672Z

Updated: 2026-08-20T16:27:28.265Z

Reserved: 2026-07-27T14:00:57.627Z

Link: CVE-2026-66673

Vulnrichment

Updated: 2026-08-20T16:19:39.320Z

NVD

Status : Deferred

Published: 2026-08-20T12:16:35.697

Modified: 2026-08-20T17:19:28.810

Link: CVE-2026-66673

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

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