CVE-2026-66705

HIGH

WordPress Facebook for WordPress plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1

Scores

CVSS v3 7.1
EPSS 0.0015
EPSS Percentile 4.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
Facebook/Facebook for WordPress < 5.2.1
Published Aug 06, 2026
Tracked Since Aug 06, 2026