CVE-2026-65883

Joomla Extension - aimy-extensions.com - RCE via PHP object injection in Aimy Captcha-Less Form Guard 18.0 - 20.0

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.

Affected

aimy-extensions.com · Aimy Captcha-Less Form Guard plugin for Joomla

CVSS v4.0 JOOMLA

10.0 CRITICALCVSS: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

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.81% chance of exploitation in the next 30 days, 56th percentile

Published

2026-07-29

Proof-of-concept exploits (1)

• shinthink/CVE-2026-658830★ · 2026-07-30

Security advisories

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

References

• CVE Record
• NVD entry

Related

• CVE-2025-32044
• CVE-2026-13001
• CVE-2026-14894
• CVE-2026-15158
• CVE-2026-15282
• CVE-2026-3891