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CVE-2026-18595— WP-Lister Lite for eBay <= 3.8.9 - Unauthenticated Stored Cross-Site Scripting via AJAX Cron Handler Request

Quick assessment

Affected
wp-lab WP-Lister Lite for eBay
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 的 WP-Lister Lite for eBay 插件在所有版本（包括 3.8.9 及之前版本）中存在通过 AJAX Cron 处理器的请求参数导致的存储型跨站脚本攻击（Stored XSS）漏洞，原因是输入过滤不足且输出未正确转义。这使得未经身份验证的攻击者能够在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将会执行。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-18595

Vulnerability Information
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Vulnerability Title
WP-Lister Lite for eBay <= 3.8.9 - Unauthenticated Stored Cross-Site Scripting via AJAX Cron Handler Request
Source: CVE Program / CVE List V5
Vulnerability Description
The WP-Lister Lite for eBay plugin for WordPress is vulnerable to Stored Cross-Site Scripting via AJAX Cron Handler Request Parameter in all versions up to, and including, 3.8.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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
wp-lab WP-Lister Lite for eBay 0 ~ 3.8.9 -

II. Public POCs for CVE-2026-18595

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III. Intelligence Information for CVE-2026-18595

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Patches & Fixes for CVE-2026-18595 (1)

News Coverage for CVE-2026-18595 (1)

IV. Related Vulnerabilities

Same product: WP-Lister Lite for eBay
Same vendor: wp-lab
Same weakness: CWE-79

V. Comments for CVE-2026-18595

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