Search Atlas SEO <= 2.6.23 - Missing Authorization to Authenticated (Subscriber+) Site-Wide Option Modification via 'metasync_post_types' Parameter
Summary
| CVE | CVE-2026-15947 |
|---|---|
| State | PUBLISHED |
| Assigner | Wordfence |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-19 08:16:53 UTC |
| Updated | 2026-09-21 13:33:33 UTC |
| Description | The Metasync plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_instant_indexing_settings() function in versions up to, and including, 2.6.23. This function is registered on the admin_init hook and only checks for the presence of $_POST['submit'] before writing attacker-supplied $_POST['metasync_post_types'] into the site-wide 'metasync_options_instant_indexing' option via update_option(); no current_user_can()/current_user_has_plugin_access() check and no nonce verification are performed. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify the site's Google Instant Indexing post-type configuration, controlling which post types are auto-submitted to Google's Instant Indexing service. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.002130000 probability, percentile 0.119400000 (date 2026-09-22)
Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | CNA | DECLARED | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Shahrukhlinkgraph | Search Atlas SEO OTTO AI SEO Automation For WordPress | affected 2.6.23 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.wordfence.com/threat-intel/vulnerabilities/id/1bfba54f-961d-4889-9272-0020c... | [email protected] | www.wordfence.com | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.16/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.16/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.17/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/changeset/3676919 | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.17/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.17/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| plugins.trac.wordpress.org/browser/metasync/tags/2.6.16/admin/class-metasync-admin.php | [email protected] | plugins.trac.wordpress.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Wordfence PRISM (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-09-18T19:15:12.000Z | Disclosed |
There are currently no legacy QID mappings associated with this CVE.