CVE-2019-25738
CRITICAL EPSS 26.6%
Published Jun 4, 20263w ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 2w ago
Description
WordPress Hybrid Composer 1.4.6 contains an unauthenticated settings change vulnerability that allows unauthenticated attackers to modify WordPress options by exploiting the hc_ajax_save_option action. Attackers can send POST requests to the admin-ajax.php endpoint with the action parameter set to hc_ajax_save_option to enable user registration and set the default role to administrator, enabling account takeover.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
26.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-306 Missing Authentication for Critical Function Authentication
References 5
- wordpress.framework-y.com http://wordpress.framework-y.com
- wordpress.framework-y.com http://wordpress.framework-y.com/hybrid-composer/
- labs.sucuri.net https://labs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/
- exploit-db.com https://www.exploit-db.com/exploits/47154
- vulncheck.com https://www.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.