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CVE-2021-36888— WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise

Quick assessment

Affected
Oxilab Image Hover Effects Ultimate (WordPress plugin)
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是WordPress（Wordpress）基金会的一套使用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的Image Hover Effects Ultimate 插件9.6.1及之前版本存在安全漏洞，可能导致完整网站泄露。

CVSS 9.8 · Critical EPSS 6.74% · P94

Public Exploits 1

Nuclei · 1 CVE-2021-36888.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-36888

Vulnerability Information
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Vulnerability Title
WordPress Image Hover Effects Ultimate plugin <= 9.6.1 - Unauthenticated Arbitrary Options Update leading to full website compromise
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions <= 9.6.1) WordPress plugin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用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的Image Hover Effects Ultimate 插件9.6.1及之前版本存在安全漏洞，可能导致完整网站泄露。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Oxilab Image Hover Effects Ultimate (WordPress plugin) <= 9.6.1 ~ 9.6.1 -

II. Public POCs for CVE-2021-36888

# POC Description Source Link Shenlong Link
1 Unauthenticated Arbitrary Options Update vulnerability leading to full website compromise discovered in Image Hover Effects Ultimate (versions <= 9.6.1) WordPress plugin. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36888.yaml POC Details
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III. Intelligence Information for CVE-2021-36888

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Vendor Advisories for CVE-2021-36888 (1)

Other References for CVE-2021-36888 (1)

IV. Related Vulnerabilities

Same product: Image Hover Effects Ultimate (WordPress plugin)
Same weakness: CWE-284

V. Comments for CVE-2021-36888

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