CVE-2026-0690

MEDIUM

FlatPM - Ad Manager <= 3.2.2 - Authenticated Stored XSS via rank_math_description

Title source: llm
STIX 2.1

Description

The FlatPM – Ad Manager, AdSense and Custom Code plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'rank_math_description' custom field in all versions up to, and including, 3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Scores

CVSS v3 6.4
EPSS 0.0020
EPSS Percentile 10.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
flatboy/FlatPM – Ad Manager, AdSense and Custom Code < 3.2.2
Published Jan 20, 2026
Tracked Since Feb 18, 2026