Vulnerability · Published Jun 20, 2026 · Assigned by Joomla
CVE-2026-48909Joomla Extension - joomshaper.com - PHP Object injection in SP LMS extension for Joomla < 4.1.4
Critical 9.5
In plain English
A critical-severity unsafe deserialization in SP LMS extension for Joomla from joomshaper.net. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.9% (higher than 92% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.
Severity (CVSS 4.0)9.5Critical
Exploit odds (30 days)4.9%top 7.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Nuclei, Public PoC
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| joomshaper.net | SP LMS extension for Joomla | 1.0.0-4.1.3 |
Weakness: CWE-502 · Vector: 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
References
- https://www.joomshaper.com/ product