CVE-2026-89097 Information disclosure in Ad Inserter – Ad Manager & AdSense Ads
Authenticated subscribers can extract sensitive server and plugin data, including API tokens, via debug parameters in the Ad Inserter WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-89097?
CVE-2026-89097 is a medium-severity vulnerability in spacetime Ad Inserter – Ad Manager & AdSense Ads, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.8.18 via the ai_wp_footer_hook. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract sensitive data including the server's internal IP address, PHP configuration, WordPress and theme versions, hardening constants, the plugin's full block matrix, and all post meta values including underscore-prefixed protected keys such as API tokens and private integration state written by other plugins.
Weakness: CWE-200
Which versions are affected by CVE-2026-89097?
How do I fix CVE-2026-89097?
No fix has been published for CVE-2026-89097 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89097 being exploited?
There is no known exploitation of CVE-2026-89097 in the wild and no public exploit code.
Sources
Also known as GHSA-r84v-5jjr-cxrx.