CVE-2026-2518
🔶 mediumSummary
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.
CVSS Score
4.3
Medium
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-22
First Seen: 2026-05-23
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 5.4% of all 325,680 vulnerabilities in our database.
#308,013
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 22, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Itthidej Aramsri
SSVC data provided by
CISA
Last Modified
2026-05-22
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE IDs (Weakness Types)