CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
The FastX theme for WordPress is vulnerable to unauthorized limited plugin installation and activation due to missing capability checks on the 'ultp_install_callback' and 'ultp_activate_callback' functions in all versions up to, and including, 1.0.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate the PostX plugin.
AnalysisAI
Missing authorization controls in the FastX WordPress theme allow authenticated Subscriber-level users to install and activate the PostX plugin without administrative approval. The vulnerability exists in two AJAX callback functions - 'ultp_install_callback' and 'ultp_activate_callback' - which fail to verify whether the requesting user holds sufficient capabilities before executing privileged plugin management operations. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-31412
GHSA-jjqp-72fq-xmqp