EUVD-2026-74600
GHSA-p65j-77g8-24jh
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
PR:H reflects that Store Manager is an explicitly granted privileged plugin role; full C/I/A follows from deterministic WordPress admin takeover.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The WP EasyCart plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.9.3. This is due to the ec_ajax_save_page_default_options() AJAX handler iterating over every $_POST key and passing it directly into update_option() without any allowlist, while gating the handler only on 'manage_options' OR the plugin's custom 'wpec_manager' capability. The plugin's built-in 'wpec_store_manager' role holds 'wpec_manager' but not 'manage_options', and the required nonce is emitted on frontend product/category templates that render for any user with 'wpec_manager'. This makes it possible for authenticated attackers, with Store Manager-level access and above, to elevate their privileges to administrator by updating arbitrary WordPress options such as default_role='administrator' and users_can_register='1', then self-registering a new account that is assigned the administrator role.
Articles & Coverage 1
AnalysisAI
WP EasyCart (Shopping Cart & eCommerce Store) versions up to and including 5.9.3 exposes a privilege escalation path allowing authenticated Store Manager-level users to promote themselves to WordPress administrator. The ec_ajax_save_page_default_options() AJAX handler accepts arbitrary POST parameters and writes them directly to the WordPress options table via update_option() without any allowlist, while its nonce is embedded in frontend product and category templates accessible to any user holding the plugin's custom 'wpec_manager' capability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress user account holding the plugin-assigned 'wpec_manager' capability, typically conferred by the built-in 'wpec_store_manager' role. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) reflects the requirement for a high-privilege credential (PR:H), which moderates the overall score. … 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 | Update WP EasyCart beyond version 5.9.3; an upstream fix is committed to the plugin's SVN repository at changeset 3681924 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3681924%40wp-easycart&new=3681924%40wp-easycart), but the specific patched release version number is not confirmed in available references - verify the current version in the WordPress Plugin Directory and update to the latest available release. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all WordPress installations using WP EasyCart and document exact version numbers, prioritizing identification of any installations at version 5.9.3 or earlier. …
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External POC / Exploit Code
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