CVE-2026-65883

critical · 10

Joomla Extension - aimy-extensions.com - RCE via PHP object injection in Aimy Captcha-Less Form Guard 18.0 - 20.0 - A forged clfgd field allows PHP objection injection and thereby remote code execution.

CVSS

0.7%

EPSS (exploit prob.)

52nd

EPSS percentile

2026-07-29

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-502

Affected products

Vendor	Product	Affected versions
aimy-extensions	aimy_captcha-less_form_guard	>= 18.0, <= 20.0

Check a specific version with /api/v1/cve/match.

References

https://www.aimy-extensions.com/joomla/captcha-less-form-guard.html

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-65883