CVE-2026-118094— WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) 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“网页生成期间输入未正确净化”的漏洞（即跨站脚本攻击，XSS），可导致存储型 XSS 攻击。该问题影响 Ad Inserter 插件版本范围：从未知版本至 2.8.18。

CVSS 6.5 · Medium EPSS 0.17% · P6 Updated Oct 29, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Igor Funa	Ad Inserter	`≤ 2.8.18`	affected

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Vulnerability Information

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Vulnerability Title

WordPress Ad Inserter plugin <= 2.8.18 - Cross Site Scripting (XSS) vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Igor Funa Ad Inserter ad-inserter allows Stored XSS.This issue affects Ad Inserter: from n/a through 2.8.18.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Igor Funa	Ad Inserter	0 ~ 2.8.18	-

II. Public POCs for CVE-2026-118094

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-118094

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Vendor Pages for CVE-2026-118094 (1)

🔗 Cross Site Scripting (XSS) in WordPress Ad Inserter Plugin - Patchstack vdb-entry

https://www.cve.org/CVERecord?id=CVE-2026-118094

IV. Related Vulnerabilities

Same product: Ad Inserter

Same vendor: Igor Funa

Same weakness: CWE-79