CVE-2026-89097 json
Ad Inserter <= 2.8.18 - Authenticated (Subscriber+) Sensitive Information Disclosure in 'ai-debug-processing-fe' & 'ai-debug-meta' URL Parameters
published 29d ago modified 27d ago also EUVD-2026-98345
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 27d ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- spacetime Ad Inserter – Ad Manager & AdSense Ads
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/60ef9840-12c3-408a-b304-3eff2fe33bb4?source=cve
- plugins.trac.wordpress.org /browser/ad-inserter/tags/2.8.18/ad-inserter.php#L4694
- plugins.trac.wordpress.org /browser/ad-inserter/tags/2.8.18/ad-inserter.php#L4943
- plugins.trac.wordpress.org /browser/ad-inserter/tags/2.8.18/ad-inserter.php#L13304
- plugins.trac.wordpress.org /browser/ad-inserter/tags/2.8.18/ad-inserter.php#L4755
- plugins.trac.wordpress.org /changeset?reponame=&old=3709957%40ad-inserter&new=3709957%40ad-inserter
Sources
- CVE List CVE-2026-89097
- NVD CVE-2026-89097
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.