CVE-2026-48909
Joomla Extension - joomshaper.com - PHP Object injection in SP LMS extension for Joomla < 4.1.4
- Published
- Jun 20, 2026
- Updated
- Jun 23, 2026
- Assigning CNA
- Joomla
- Evidence observed
- Jul 6, 2026
Primary CVSS
nvd · CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:P/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:XLow · next 30 days
- Percentile
- 91.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-controlled cookie data without validation, enabling an unauthenticated remote attacker to execute arbitrary code on the server.
Sources
3CVE-2026-48909 - Unauthenticated PHP Object Injection to RCE exploit for Joomla SP LMS extension versions <= 4.1.3. Exploits lmsOrders cookie deserialization to write webshell via Joomla FormattedtextLogger gadget chain. Includes interactive shell, path discovery, and cleanup. For authorized security testing only.
- CVE-2026-48909Exploit
Proof-of-concept exploit for CVE-2026-48909: unauthenticated remote code execution via PHP object injection in JoomShaper SP LMS. Includes detection, exploitation, and remediation guidance.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.