EUVD-2026-64207
GHSA-rhx5-89fh-523v
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network AJAX endpoint requires only subscriber credentials (PR:L); arbitrary options write yields full admin takeover with high C/I/A and no scope change beyond WordPress.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the wpematico_import_settings function in all versions up to, and including, 2.8.24. This makes it possible for authenticated attackers, with subscriber-level access and above, to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access.
Articles & Coverage 1
AnalysisAI
Privilege escalation in WPeMatico RSS Feed Fetcher (all versions through 2.8.24) allows any authenticated WordPress subscriber to gain full administrative access by invoking the unprotected wpematico_import_settings function. The missing capability check permits arbitrary WordPress site options to be overwritten, enabling attackers to enable user registration and set the default registration role to administrator - a two-stage takeover requiring only a valid subscriber account. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authenticated WordPress session with at minimum subscriber-level privileges - CVSS PR:L confirms unauthenticated exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 score (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects the severity - network-accessible with low complexity, requiring only a subscriber-level credential, yielding full site 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 | Upgrade WPeMatico RSS Feed Fetcher to version 2.8.25 or later, which adds current_user_can('manage_options') capability enforcement across all previously unprotected AJAX handlers; the upstream fix is available at https://github.com/etruel/wpematico/commit/e297f41b49c6ec76635b006dff8a964a99a1ed24. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: audit all subscriber accounts on affected WordPress installations and disable the WPeMatico RSS Feed Fetcher plugin immediately to prevent exploitation. …
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External POC / Exploit Code
Leaving vuln.today