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CVE-2026-89097— Ad Inserter <= 2.8.18 - Authenticated (Subscriber+) Sensitive Information Disclosure in 'ai-debug-processing-fe' & 'ai-debug-meta' URL Parameters

Quick assessment

Affected
spacetime Ad Inserter – Ad Manager & AdSense Ads
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件 Ad Inserter – Ad Manager & AdSense Ads 在所有 ≤ 2.8.18 版本中存在敏感信息泄露漏洞，该漏洞可通过 触发。拥有订阅员及以上权限的攻击者可利用此漏洞提取敏感数据，包括服务器的内部 IP 地址、PHP 配置信息、WordPress 及主题版本、安全加固常量、插件的完整区块矩阵，以及所有文章元数据值（包括以下划线前缀保护的键，例如由其他插件写入的 API 令牌和私有集成状态）。

CVSS 4.3 · Medium EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
spacetime Ad Inserter – Ad Manager & AdSense Ads ≤ 2.8.18 affected
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I. Basic Information for CVE-2026-89097

Vulnerability Information
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Vulnerability Title
Ad Inserter <= 2.8.18 - Authenticated (Subscriber+) Sensitive Information Disclosure in 'ai-debug-processing-fe' & 'ai-debug-meta' URL Parameters
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
spacetime Ad Inserter – Ad Manager & AdSense Ads 0 ~ 2.8.18 -

II. Public POCs for CVE-2026-89097

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-89097

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Other References for CVE-2026-89097 (1)

Other References for CVE-2026-89097 (4)

IV. Related Vulnerabilities

Same product: Ad Inserter – Ad Manager & AdSense Ads
Same vendor: spacetime
Same weakness: CWE-200

V. Comments for CVE-2026-89097

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