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Critical · 9.5 Scanner template Public exploit CVE-2026-48909 EUVD-2026-38108GHSA-gf8c-xmwj-whrh

Joomla Extension - joomshaper.com - PHP Object injection in SP LMS extension for Joomla < 4.1.4

Published Jun 20, 2026 · Updated Jun 23, 2026 · Assigned by Joomla

Vendor: joomshaper.net Product: SP LMS extension for Joomla Category: Web / CMS

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

VendorProductAffectedFixed
joomshaper.net SP LMS extension for Joomla 1.0.0-4.1.3 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

GitHub 2 repositories

  • Is4yev/CVE-2026-48909 ★ 24 · Jun 21, 2026

    CVE-2026-48909 PoC

  • CerberusMrXi/CVE-2026-48909-Joomla-SP-Exploit ★ 2 · Jul 15, 2026

    CVE-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 Formattedtex…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References