CVE-2026-48909 | SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-c… | CVSS 9.5 CRITICAL

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.

Metadata

CVE ID: CVE-2026-48909
State: PUBLISHED
Assigner: Joomla
Reserved: 2026-05-26 10:06 UTC
Published: 2026-06-20 11:56 UTC
Last updated: 2026-06-20 11:56 UTC
Primary CWE: CWE-502
CWE-502 Deserialization of Untrusted Data
Vendor / Product: joomshaper.net / SP LMS extension for Joomla
Sources: cve.org · NVD

Severity & Metrics

9.5 CRITICAL 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

Affected products (1)

Vendor	Product	Platform	Versions
joomshaper.net	SP LMS extension for Joomla	—	1.0.0-4.1.3

Weakness (CWE)

CWE	Source	Description
CWE-502	cna	CWE-502 Deserialization of Untrusted Data

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.5	CRITICAL	4.0	cna	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 (1)

https://www.joomshaper.com/