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CVE-2017-20289— Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter

Quick assessment

Affected
Broadstreet Ad Widget
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 Broadstreet Ad Widget 插件在 2.2.0 至 2.12.0 之前的版本中存在本地文件包含漏洞。该漏洞允许已认证用户通过向 文件中的 语句传递未过滤的输入，从而执行攻击者指定的 PHP 文件。攻击者可在 参数中提供目录遍历序列（可选地包含空字节），以包含本地文件并执行任意 PHP 代码。Shadowserver 基金会于 2023 年 10 月 19 日首次观察到该漏洞的利用证据。

CVSS 7.5 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
Broadstreet Ad Widget 2.2.0< 2.12.0 affected
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I. Basic Information for CVE-2017-20289

Vulnerability Information
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Vulnerability Title
Broadstreet Ad Widget WordPress Plugin < 2.12.0 Local File Inclusion via step parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Broadstreet Ad Widget plugin for WordPress 2.2.0 before 2.12.0 contains a local file inclusion vulnerability that allows authenticated users to execute attacker-chosen PHP files by passing unsanitized input to require in views/modal/index.php. Attackers can supply directory traversal sequences in the 'step' parameter, optionally with a null byte, to include local files and execute PHP code. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
PHP程序中Include/Require语句包含文件控制不恰当(PHP远程文件包含)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Broadstreet Ad Widget 2.2.0 ~ 2.12.0 -

II. Public POCs for CVE-2017-20289

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III. Intelligence Information for CVE-2017-20289

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Patches & Fixes for CVE-2017-20289 (1)

Vendor Advisories for CVE-2017-20289 (1)

Exploits & Public PoCs for CVE-2017-20289 (2)

Proof of Concept for CVE-2017-20289 (1)

IV. Related Vulnerabilities

Same vendor: Broadstreet
Same weakness: CWE-98

V. Comments for CVE-2017-20289

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