EUVD-2026-76796
GHSA-pjpf-74g9-grmh
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Remote unauthenticated arbitrary option write with no interaction yields full admin takeover, so PR:N/UI:N and C/I/A all High; scope unchanged as impact stays within the WordPress instance.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The WP Component WordPress plugin through 2.2.4 does not have any capability or nonce checks on one of the actions it makes available to unauthenticated users, and it takes both the option name and the option value from the request, allowing unauthenticated attackers to overwrite any of the site's options. On a single site installation this leads to a full takeover, as registration can be enabled with a default role of administrator.
AnalysisAI
Unauthenticated site takeover in the WP Component WordPress plugin through version 2.2.4 stems from an AJAX-style action exposed to logged-out users that performs no capability or nonce validation and blindly writes an attacker-supplied option name and value. Because the handler can overwrite arbitrary wp_options entries, an attacker can flip 'users_can_register' on and set 'default_role' to administrator, then self-register an admin account. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitable against any single-site WordPress install running WP Component ≤2.2.4 with the plugin active - no authentication, no user interaction, and default configuration suffice, since the vulnerable action is registered for unauthenticated (nopriv) callers and performs no capability or nonce check. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) is credible: exploitation is remote, unauthenticated, requires no user interaction, and the described option-overwrite-to-admin path genuinely yields full compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch identified at time of analysis - the advisory describes the plugin as vulnerable 'through 2.2.4' without naming a fixed release. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all WordPress installations using WP Component plugin versions 2.2.4 and earlier; assess which are internet-exposed and review recent administrator accounts and WordPress audit logs for unauthorized modifications. …
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
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