CVE-2026-48899
Description
An improper access check allows privilege escalation through the com_users batch task.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Improper access control in Joomla's sample data plugins allows unauthorized privilege escalation via the com_users batch task, affecting versions 4.0.0-5.4.5 and 6.0.0-6.1.0.
Vulnerability
The vulnerability exists in Joomla! CMS's sample data plugins, where an improper access check allows unauthorized users to perform actions related to the installation of sample data. This affects versions 4.0.0 through 5.4.5 and 6.0.0 through 6.1.0 [1].
Exploitation
An attacker without proper privileges can exploit this by accessing the com_users batch task, which lacks sufficient access control checks. The exact steps are not detailed in the reference, but the vulnerability is triggered through the sample data installation functionality [1].
Impact
Successful exploitation leads to privilege escalation, allowing unauthorized users to perform actions normally restricted to higher-privileged users. The impact is rated as High by the Joomla! Security Centre [1].
Mitigation
The issue is fixed in Joomla! CMS versions 5.4.6 and 6.1.1. Users should upgrade to these versions immediately. No workarounds are mentioned in the reference [1].
AI Insight generated on May 26, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
0No linked articles in our index yet.