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CVE-2021-24406— wpForo Forum < 1.9.7 - Open Redirect

Quick assessment

Affected
gVectors Team wpForo Forum
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 插件是WordPress开源的一个应用插件。 WordPress的wpForo 存在输入验证错误漏洞，该漏洞源于在1.9.7之前的wpForo没有验证论坛登录表单中的重定向参数，导致成功登录后打开重定向问题。攻击者可利用该漏洞诱导用户使用登录URL重定向到他们控制下的一个网站，并成为合法网站的副本，要求他们重新输入他们的凭证。

AI Predicted 6.1 Difficulty: Easy EPSS 2.92% · P86

Public Exploits 1

Nuclei · 1 CVE-2021-24406.yaml [template]

Possible ATT&CK Techniques 1 AI

T1566.001 · Spearphishing Attachment
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I. Basic Information for CVE-2021-24406

Vulnerability Information
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Vulnerability Title
wpForo Forum < 1.9.7 - Open Redirect
Source: CVE Program / CVE List V5
Vulnerability Description
The wpForo Forum WordPress plugin before 1.9.7 did not validate the redirect_to parameter in the login form of the forum, leading to an open redirect issue after a successful login. Such issue could allow an attacker to induce a user to use a login URL redirecting to a website under their control and being a replica of the legitimate one, asking them to re-enter their credentials (which will then in the attacker hands)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 插件 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是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 插件是WordPress开源的一个应用插件。 WordPress的wpForo 存在输入验证错误漏洞，该漏洞源于在1.9.7之前的wpForo没有验证论坛登录表单中的重定向参数，导致成功登录后打开重定向问题。攻击者可利用该漏洞诱导用户使用登录URL重定向到他们控制下的一个网站，并成为合法网站的副本，要求他们重新输入他们的凭证。
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
gVectors Team wpForo Forum 1.9.7 ~ 1.9.7 -

II. Public POCs for CVE-2021-24406

# POC Description Source Link Shenlong Link
1 WordPress wpForo Forum < 1.9.7 is susceptible to an open redirect vulnerability because the plugin did not validate the redirect_to parameter in the login form of the forum, leading to an open redirect issue after a successful login. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24406.yaml POC Details
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III. Intelligence Information for CVE-2021-24406

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Vendor Advisories for CVE-2021-24406 (1)

IV. Related Vulnerabilities

Same product: wpForo Forum
Same vendor: gVectors Team
Same weakness: CWE-601

V. Comments for CVE-2021-24406

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