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CVE-2022-2540— Link Optimizer Lite <= 1.4.5 - Cross-Site Request Forgery to Cross-Site Scripting

Quick assessment

Affected
adambard Link Optimizer Lite
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Link Optimizer Lite 1.4.5版本及之前版本存在跨站请求伪造漏洞，该漏洞源于 ~/admin.php 文件中的 admin_page 函数缺少 nonce 验证。攻击者利用该漏洞注入恶意 Web 脚本。

CVSS 8.8 · High EPSS 0.55% · P44
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I. Basic Information for CVE-2022-2540

Vulnerability Information
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Vulnerability Title
Link Optimizer Lite <= 1.4.5 - Cross-Site Request Forgery to Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Link Optimizer Lite plugin for WordPress is vulnerable to Cross-Site Request Forgery to Cross-Site Scripting in versions up to, and including 1.4.5. This is due to missing nonce validation on the admin_page function found in the ~/admin.php file. This makes it possible for unauthenticated attackers to modify the plugin's settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Link Optimizer Lite 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Link Optimizer Lite 1.4.5版本及之前版本存在跨站请求伪造漏洞，该漏洞源于 ~/admin.php 文件中的 admin_page 函数缺少 nonce 验证。攻击者利用该漏洞注入恶意 Web 脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
adambard Link Optimizer Lite * ~ 1.4.5 -

II. Public POCs for CVE-2022-2540

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III. Intelligence Information for CVE-2022-2540

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Patches & Fixes for CVE-2022-2540 (1)

Vendor Advisories for CVE-2022-2540 (2)

IV. Related Vulnerabilities

Same weakness: CWE-352

V. Comments for CVE-2022-2540

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