Security Alert Summary
The Advanced Ads – Ad Manager & AdSense plugin for WordPress contains an authorization bypass in the placement_update_item() function that allows authenticated users with subscriber-level access and above to update ad placements. Exploitation can change which ad or ad group a placement serves, which may affect displayed content and ad routing.
CVE Details
- CVE ID: CVE-2025-12884
- Affected plugin / component: Advanced Ads – Ad Manager & AdSense plugin for WordPress
- Affected versions: Versions up to and including 2.0.14
- Published: February 19, 2026 at 7:17:29 AM
- Last modified: February 19, 2026 at 3:53:02 PM
- CVSS v3.1: Base Score 4.3, Medium;
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Authentication / Privileges / User interaction: Exploitable by authenticated users. Privileges required: Low (attacker must have authenticated access at subscriber-level or higher). User interaction: None.
- Primary impact: Confidentiality: None; Integrity: Low (ability to alter which ads or ad groups a placement serves); Availability: None
- CWE / Weakness: CWE-284 (Improper Access Control)
- Vulnerability status: Awaiting Analysis (as stated in the CVE entry)
Technical Details
The vulnerability is an authorization bypass rooted in the plugin failing to verify that the acting user is authorized to perform the requested change. The CVE description identifies the specific function placement_update_item() as not properly verifying authorization checks. As a result, an authenticated user with low privileges (subscriber-level or above) can invoke the function and update ad placements.
The practical effect is that the attacker can change which ad or ad group a placement serves. The entry does not specify any exploited endpoints beyond the named function, nor does it list a fixed or patched version in the CVE data.
How This Could Impact Your Website
Consider a site with multiple user roles: a site owner, an internal content editor, and an external contractor who has a subscriber or contributor account. If an authenticated low-privileged account is able to change ad placements, an attacker could redirect placements to different ads or ad groups. This can lead to loss of ad revenue, display of unexpected or disallowed ad content, or violations of ad network policies that impact monetization and reputation.
The vulnerability does not indicate disclosure of user credentials or sensitive data (confidentiality impact is listed as None), but altering ad behavior can still have business and operational consequences. If you’re unsure whether your site is affected or how to assess your current user roles and plugins, it may be worth having a professional review your setup.
Recommended Actions
- Update the affected plugin as soon as a patched version is available. (Note: the CVE entry does not specify a patched version.)
- Review and reduce unnecessary user roles and capabilities, especially for subscribers, contributors, and other low-privileged accounts.
- Enforce strong passwords and enable two-factor authentication for editors and administrators.
- Remove unused or unmaintained plugins from your site.
- Monitor site activity and ad-placement changes for unusual behavior or unexpected modifications.
