Description

WordPress Plugin Flexible Captcha is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently bypass the captcha with a modified submission at login. WordPress Plugin Flexible Captcha version 4.0 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 4.0.1 or latest

References

https://plugins.svn.wordpress.org/flexible-captcha/trunk/readme.txt

Related Vulnerabilities

PHP Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') Vulnerability (CVE-2018-19518)

MediaWiki Incorrect Authorization Vulnerability (CVE-2020-26121)

MySQL CVE-2021-2478 Vulnerability (CVE-2021-2478)

Atlassian Jira Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2019-20100)

YetiForce CRM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-3002)

Severity

High

Classification

CWE-264 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass