CVE-2026-66705 - Vulnerability Details - OpenCVE

Unauthenticated Cross Site Scripting (XSS) in Facebook for WordPress <= 5.2.1 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

Facebook

Facebook for WordPress

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 5.2.1

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

Update the WordPress Facebook for WordPress Plugin to the latest available version (at least 5.2.2).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/official-facebook-pixel/vulnerability/wordpress-facebook-for-wordpress-plugin-5-2-1-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Thu, 06 Aug 2026 15:30:00 +0000

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

Thu, 06 Aug 2026 14:45:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Cross Site Scripting (XSS) in Facebook for WordPress <= 5.2.1 versions.
Title		WordPress Facebook for WordPress plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/wordpress/plugin/official-facebook-pixel/vulnerability/wordpress-facebook-for-wordpress-plugin-5-2-1-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: 2026-08-06T14:28:07.562Z

Updated: 2026-08-06T15:04:00.807Z

Reserved: 2026-07-27T14:01:16.156Z

Link: CVE-2026-66705

Vulnrichment

Updated: 2026-08-06T15:03:57.686Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-06T16:30:04Z

Weaknesses

CWE-79

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