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CVE-2026-124262— WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability

Quick assessment

Affected
Igor Funa Ad Inserter
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.

Igor Funa 开发的 Ad Inserter 插件存在网页中脚本相关 HTML 标签未正确中和（基本型跨站脚本，XSS）漏洞，可导致代码注入。该问题影响 Ad Inserter 插件的以下版本：从未知版本起至 2.8.19 版本（含）。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-124262

Vulnerability Information
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Vulnerability Title
WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Igor Funa Ad Inserter ad-inserter allows Code Injection.This issue affects Ad Inserter: from n/a through 2.8.19.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Igor Funa Ad Inserter 0 ~ 2.8.19 -

II. Public POCs for CVE-2026-124262

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III. Intelligence Information for CVE-2026-124262

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Other References for CVE-2026-124262 (1)

IV. Related Vulnerabilities

Same product: Ad Inserter
Same vendor: Igor Funa
Same weakness: CWE-80