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CVE-2012-20003— Custom Tables WordPress Plugin < 3.4.6 Reflected XSS via iframe.php

Quick assessment

Affected
Web Updates KMU Custom Tables
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 Custom Tables 插件在 3.4.6 版本之前存在反射型跨站脚本（XSS）漏洞。该漏洞允许未经身份验证的攻击者通过 iframe.php 文件中未过滤的 参数注入恶意脚本。攻击者可构造包含 参数及恶意 值的 GET 请求，发送至 ，从而在受害者的浏览器中执行脚本并窃取 Cookie。Shadowserver 基金会于 2023 年 10 月 20 日首次观察到该漏洞的利用证据。

CVSS 6.1 · Medium EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Web Updates KMU Custom Tables < 3.4.6 affected
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I. Basic Information for CVE-2012-20003

Vulnerability Information
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Vulnerability Title
Custom Tables WordPress Plugin < 3.4.6 Reflected XSS via iframe.php
Source: CVE Program / CVE List V5
Vulnerability Description
Custom Tables plugin for WordPress before 3.4.6 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the unsanitized 'key' parameter in iframe.php. Attackers can craft GET requests to /wp-content/plugins/custom-tables/iframe.php with s=1 and a malicious key value to execute script in victims' browsers and steal cookies. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Web Updates KMU Custom Tables 0 ~ 3.4.6 -

II. Public POCs for CVE-2012-20003

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III. Intelligence Information for CVE-2012-20003

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Vendor Advisories for CVE-2012-20003 (1)

Exploits & Public PoCs for CVE-2012-20003 (1)

Proof of Concept for CVE-2012-20003 (1)

Vendor Pages for CVE-2012-20003 (2)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2012-20003

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