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medium·Product Based Web Vulnerabilities·Updated Jan 3, 2024

CVE-2021-24214 Scanner

CVE-2021-24214 scanner - Cross-Site Scripting (XSS) vulnerability in OpenID Connect Generic Client plugin for WordPress

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
2.7k
Times Used
continuous scan runs
3.4k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2021-24214
6.1
CVSS

The OpenID Connect Generic Client WordPress plugin 3.8.0 and 3.8.1 did not sanitise the login error when output back in the login form, leading to a reflected Cross-Site Scripting issue. This issue does not require authentication and can be exploited with the default configuration.

Attack Vector
-
Privileges Req.
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User Interaction
-
Affected
OpenID Connect Generic Clientby daggerhart
AFFECTED< 3.8.0*SAFE ✓≥ 3.8.0*
Updated Aug 21, 2026View on NVD →
Detail

The OpenID Connect Generic Client plugin for WordPress is a tool that enables website users to authenticate their identities using various identity providers, such as Google, Facebook, and others. It is a popular plugin with over 10,000 active installations and is widely used by WordPress website developers. The plugin is designed to support various authentication scenarios such as native authentication, delegated authentication, and Federated Identity.

However, recently the CVE-2021-24214 vulnerability has been detected in this plugin. The vulnerability is caused by the plugin’s failure to sanitize login errors when they are outputted back in the login form. As a result, it exposes the website to a reflected Cross-Site Scripting issue. An attacker can exploit this vulnerability by injecting malicious code in the login error message. This can cause sensitive data like login credentials, credit card information, and other personal information to be compromised.

When exploited, the vulnerability can lead to a variety of security risks for WordPress website owners. Hackers can use Cross-Site Scripting attacks to steal sensitive information or hijack user sessions. This could result in malware infections, unauthorized access to sensitive data, financial losses, or even reputational damage.

In conclusion, website owners must be aware of security vulnerabilities and take the necessary precautions to protect their digital assets from cyber threats. By leveraging the pro features of s4e.io platform, website owners can quickly and easily identify potential vulnerabilities, and take swift action to minimize security risks. With the right precautions in place, website owners can rest assured that their website and customers’ sensitive data are protected against unauthorized access and data breaches.

 

REFERENCES

Solution Advice

To prevent against the CVE-2021-24214 vulnerability, website owners can take the following precautions:

  • Ensure that the OpenID Connect Generic Client WordPress plugin is updated to its latest version immediately.
  • Regularly conduct security scans using reputable tools that can detect vulnerabilities such as the OpenID Connect Generic Client plugin.
  • Check the login error messages to ensure that the plugin is not outputting any unsanitized data.
  • Always use strong and unique passwords for all user accounts.
  • Consider using multi-factor authentication to provide an extra layer of security for user accounts.

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