CVE-2026-65883
A Joomla extension called Aimy Captcha-Less Form Guard, versions 18.0 through 20.0, contains a flaw that lets attackers run arbitrary code on the server. By sending a specially crafted form field, a malicious user can inject PHP objects and execute commands. This could give an attacker full control of the affected website.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Joomla website administrators who have installed the Aimy Captcha-Less Form Guard extension, versions 18.0 to 20.0.
Real-world impact
An attacker could execute any code on the web server, steal sensitive data, deface the site, or use the compromised server to launch further attacks against other systems.
Why this severity
The CVSS score of 10 reflects that the vulnerability allows remote code execution without any authentication or user interaction, giving an attacker complete control over the affected system. The high impact, confidentiality, integrity, and availability scores all contribute to the critical rating.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources