CVE-2026-48909

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.

References

https://github.com/CerberusMrXi/CVE-2026-48909-Joomla-SP-Exploit

https://github.com/Is4yev/CVE-2026-57830

https://github.com/Is4yev/CVE-2026-57829

https://www.joomshaper.com/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38108

Details

Source: Mitre, NVD

Published: 2026-06-20

Updated: 2026-10-25

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.5

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