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TI-2026-71556 Aliases CVE-2026-89097GHSA-r84v-5jjr-cxrx

Sensitive information exposure in Ad Inserter WordPress plugin

Priority LOW 20CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

The Ad Inserter plugin (Ad Manager & AdSense Ads) for WordPress from spacetime is affected in all versions up to and including 2.8.18. The ai_wp_footer_hook exposes sensitive information (CWE-200). An authenticated attacker with subscriber-level access or above can read the server's internal IP address, PHP configuration, WordPress and theme versions, and post meta values, including protected keys such as API tokens written by other plugins.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
spacetimeAd Inserter – Ad Manager & AdSense Adsup to 2.8.18—No fix listedCNA
  • Ad Inserter – Ad Manager & AdSense Ads Vendorspacetime Affected up to 2.8.18 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Ad Inserter (Ad Manager & AdSense Ads).

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-89097
  2. 2026-10-13 Alias added: GHSA-r84v-5jjr-cxrx
  3. 2026-10-16 CISA SSVC decision points changed

References

  • TI-2026-83232 Unauthenticated shortcode execution in Ad Inserter WordPress plugin CVSS 3.1MEDIUM 6.5
  • TI-2026-83300 Cross-site scripting in WordPress Ad Inserter plugin CVSS 3.1HIGH 7.1
  • TI-2026-63944 WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2024-32841 WordPress Ad Inserter plugin <= 2.7.37 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2026-10327 Missing authorization in spacetime Ad Inserter – Ad Manager & AdSense Ads CVSS 3.1MEDIUM 5.3
  • TI-2026-10326 Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax CVSS 3.1MEDIUM 5.3
See all 12 →

Sources