CVE-2021-24214

Name: CVE-2021-24214
Creator: NVD / NIST
Published: 2021-05-06T13:15:11.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.63%

Last modified Jun 17, 2026

CVE-2021-24214 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.63%

73.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Daggerhartlab	Openid Connect Generic Client	3.8.0
Daggerhartlab	Openid Connect Generic Client	3.8.1

References

https://wpscan.com/vulnerability/31cf0dfb-4025-4898-a5f4-fc7115565a10Exploit, Third Party Advisory
https://wpscan.com/vulnerability/31cf0dfb-4025-4898-a5f4-fc7115565a10Exploit, Third Party Advisory

Timeline

Published: May 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24214?

How severe is CVE-2021-24214?

CVE-2021-24214 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24214?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24214?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST