EUVD-2026-43141
GHSA-7cwh-6w47-pj4w
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Permanent deletion of all imported site content is total integrity and availability loss; PR:N confirmed by wp_ajax_nopriv_ registration and Wordfence unauthenticated-attacker characterization.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Solace Extra plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.5.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to permanently delete all content previously imported via the Starter Template feature, including posts, pages, media attachments, WooCommerce products, taxonomy terms, and sitebuilder templates. The required nonce is emitted on every wp-admin page via wp_localize_script() hooked to admin_enqueue_scripts without a page guard, meaning any Subscriber visiting /wp-admin/profile.php can obtain it; the handler is additionally registered via wp_ajax_nopriv_, making it reachable by fully unauthenticated users as well.
AnalysisAI
Permanent, irreversible deletion of all Starter Template-imported site content in the Solace Extra WordPress plugin (all versions through 1.5.3) is achievable by fully unauthenticated network attackers due to the complete absence of authorization checks on the responsible AJAX handler. The handler is registered via wp_ajax_nopriv_, removing WordPress's authentication gate entirely, while the required nonce is leaked to any Subscriber-level user visiting any wp-admin page - eliminating both authentication and authorization barriers simultaneously. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The handler is registered via wp_ajax_nopriv_, meaning no WordPress account is required to invoke it - exploitation is reachable by any HTTP client that can reach wp-admin/admin-ajax.php, which is publicly accessible by default in all WordPress installations. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official CVSS 3.1 score of 5.3 Medium (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) materially understates real-world risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker enumerates a WordPress target's active plugins via standard fingerprinting techniques and confirms Solace Extra is installed and version 1.5.3 or earlier. The attacker submits a crafted HTTP POST request directly to wp-admin/admin-ajax.php with the deletion action parameter, exploiting the wp_ajax_nopriv_ registration to bypass authentication entirely; if nonce validation is present but not properly gating the handler, the attacker alternatively enlists or compromises a Subscriber account to harvest the nonce from any wp-admin page. … |
| Remediation | A fix is available via WordPress plugin repository changeset 3593408 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3593408%40solace-extra&new=3593408%40solace-extra); however, the exact patched release version number after 1.5.3 is not confirmed from available data - administrators should check the WordPress plugin directory for the current release and update immediately. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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