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TI-2026-10326 Aliases CVE-2026-11983GHSA-74q3-73gr-qrvx

Ad Inserter <= 2.8.16 - Missing Authorization to Block Visibility Bypass via ai_ajax

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-862.

Summary

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.8.16 due to a missing capability check in the `ai_ajax` function. This makes it possible for unauthenticated attackers to view the contents of ad blocks that an administrator has restricted to administrator-only visibility.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00431 37th 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
Yes
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 2.8.16—No fix listedCNA
  • Ad Inserter – Ad Manager & AdSense Ads Vendorspacetime Affected up to 2.8.16 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-11983
  2. 2026-10-03 Alias added: GHSA-74q3-73gr-qrvx

References

Other 3

  • 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-2026-41517 WordPress Ad Inserter plugin <= 2.8.11 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences