CVE-2026-1399
Stored XSS in WP Google Ad Manager Plugin Admin Settings
Publication date: 2026-01-28
Last updated on: 2026-01-28
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wp_google_ad_manager_plugin | to 1.1.0 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the WP Google Ad Manager Plugin for WordPress, affecting versions up to 1.1.0. It occurs because the plugin does not properly sanitize input or escape output in the admin settings. Authenticated users with administrator-level permissions or higher can inject malicious scripts that will execute when other users access the affected pages. This vulnerability only affects multi-site WordPress installations or those where the unfiltered_html setting is disabled.
How can this vulnerability impact me? :
An attacker with administrator-level access can exploit this vulnerability to inject malicious scripts that execute in the context of other users visiting the affected pages. This can lead to unauthorized actions, data theft, session hijacking, or other malicious activities within the WordPress site. The impact is limited to multi-site installations or those with unfiltered_html disabled, and requires high privileges to exploit.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update the WP Google Ad Manager Plugin to a version later than 1.1.0 where the issue is fixed. Additionally, ensure that only trusted administrators have access to the plugin settings, and consider enabling unfiltered_html if it is safe to do so in your environment. Monitor and restrict administrator-level permissions to reduce risk.