EUVD-2026-66868
GHSA-4753-4c7m-r6px
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Network AJAX endpoint (AV:N), exploitation is straightforward once prerequisites are met (AC:L), requires Editor account with admin-granted CMP access (PR:H), full wp_options write yields complete site compromise (C:H/I:H/A:H).
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The CMP WordPress plugin before 4.1.18 does not enforce an option-name allow-list when importing settings via one of its AJAX actions, allowing users with the Editor role (when the administrator has granted the Editor role access to the CMP WordPress plugin before 4.1.18's admin-bar controls) to update arbitrary WordPress options, including options that lead to privilege escalation to Administrator.
AnalysisAI
Privilege escalation in the CMP WordPress plugin before 4.1.18 allows Editor-role users to overwrite arbitrary WordPress options via an unguarded AJAX settings-import action, ultimately achieving full Administrator access. The flaw is contingent on an administrator having explicitly granted Editor-role users access to CMP's admin-bar controls - a non-default configuration - making real-world exposure narrower than the CVSS 7.2 score implies. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Two simultaneous conditions must be met: (1) the target WordPress site must be running CMP plugin version 4.1.17 or earlier; (2) a WordPress administrator must have explicitly granted Editor-role users access to CMP's admin-bar controls - this is not a default WordPress or CMP configuration and requires a deliberate administrative action. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H produces a score of 7.2, reflecting network reachability but high-privilege prerequisites. … 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 | The primary remediation is to update the CMP plugin to version 4.1.18 or later via the WordPress dashboard or the WordPress.org plugin repository; this release introduces an option-name allowlist that restricts which wp_options keys can be written via the settings-import AJAX action. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all WordPress installations for CMP plugin presence and identify any with Editor role permissions active. …
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today