CVE-2021-24214

MEDIUM NUCLEI

OpenID Connect Generic Client 3.8.0-3.8.1 - Unauthenticated Reflected Cross-Site Scripting via Login Error

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-24214 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

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.

Nuclei Templates (1)

WordPress OpenID Connect Generic Client 3.8.0-3.8.1 - Cross-Site Scripting
MEDIUMVERIFIEDby tess

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://wpscan.com/vulnerability/31cf0dfb-4025-4898-a5f4-fc7115565a10

Scores

CVSS v3 6.1
EPSS 0.0163
EPSS Percentile 73.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
daggerhartlab/openid_connect_generic_client 3.8.0
daggerhartlab/openid_connect_generic_client 3.8.1
Published May 06, 2021
Tracked Since Feb 18, 2026