Description

WordPress Plugin SI CAPTCHA Anti-Spam was deliberately modified to inject spam ads for payday loans and such in the WP posts of the web sites running the plugin. WordPress Plugin SI CAPTCHA Anti-Spam versions 3.0.1 and 3.0.2 are affected ONLY.

Remediation

Update to plugin version 3.0.3 or latest

References

https://wptavern.com/si-captcha-anti-spam-plugin-permanently-removed-from-wordpress-og-due-to-spam-code

https://wordpress.org/support/topic/where-did-the-plugin-go-2/

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

Related Vulnerabilities

Magento Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2015-1397)

Envoy Proxy Uncontrolled Resource Consumption Vulnerability (CVE-2020-12605)

osCommerce Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2020-27976)

MySQL CVE-2023-21972 Vulnerability (CVE-2023-21972)

IBM RTC Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-5031)

Severity

High

Classification

CWE-20 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update