CVE-2026-0690
FlatPM – Ad Manager, AdSense and Custom Code <= 3.2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Post Meta
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | flatboy |
| Product | flatpm – ad manager, adsense and custom code |
| Published | Jan 20, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
flatboy / FlatPM – Ad Manager, AdSense and Custom Code
0 ≤ 3.2.2
References
Credits
Muhammad Yudha - DJ