Description

WordPress Plugin PS PHPCaptcha WP is prone to a Denial of Service vulnerability. Exploiting this issue may allow an attacker to prevent the creation of CAPTCHA, thus denying service to legitimate users. WordPress Plugin PS PHPCaptcha WP version 1.1.0 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.2.0 or latest

References

https://metamorfosec.com/Files/Advisories/METS-2019-003-Denial_of_Service_in_PS_PHPCaptcha_WP_before_v1.2.0.txt

https://plugins.svn.wordpress.org/ps-phpcaptcha/trunk/README.txt

Related Vulnerabilities

WordPress Plugin File Manager Cross-Site Scripting (2.9)

Roundcube Improper Input Validation Vulnerability (CVE-2011-1492)

MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2013-6455)

Apache Tomcat Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2020-13935)

Grafana Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-13068)

Severity

High

Classification

CVE-2019-7412 CWE-400 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Tags

Missing Update Denial Of Service