CVE-2026-2518— FastX <= 1.0.2 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Installation and Activation
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-2518
Vulnerability Information
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Vulnerability Title
FastX <= 1.0.2 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Installation and Activation
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-2518
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Patches & Fixes for CVE-2026-2518 (1)
Vendor Advisories for CVE-2026-2518 (1)
Vendor Pages for CVE-2026-2518 (1)
IV. Related Vulnerabilities
Same vendor: wpxpo
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Same weakness: CWE-862
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NousResearch hermes-agent Batch Runner approval.py check_all - CVE-2026-9284
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Tool Execution Without Authorization via Piped Stdin in Kiro - CVE-2026-9251
Devolutions Server多个版本缺少授权漏洞
V. Comments for CVE-2026-2518
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