Joomla Extension - joomshaper.com - PHP Object injection in SP LMS extension for Joomla < 4.1.4
65Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 9.5epss 7.6%
from disclosure to weapon1 days
Published on NVDJun 20
1st PoC+1d
exploitation probability
7.6%top 6% of all CVEs
observed exploitation
nono source reports it
3 public exploit(s)
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.
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
joomshaper.net · SP LMS extension for Joomlapublic PoCs found — 3
exploitdbwww.exploit-db.com/exploits/52617unverifiedgithubgithub.com/Is4yev/CVE-2026-48909★ 23githubgithub.com/CerberusMrXi/CVE-2026-48909-Joomla-SP-Exploit★ 2⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://www.joomshaper.com/